Status Acoustics CISCO SYSTEMS 2 User's Manual
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1. Cisco Internet Service Node ISN Release Notes for Release 2 0 Internet Service Node ISN Version 2 0 Corporate Headquarters Cisco Systems Inc 170 West Tasman Drive San J ose CA 95134 1706 USA http Awww cisco com Tel 408 526 4000 800 553 NETS 64387 Fax 408 526 4100 Customer Order Number Text Part Number OL 1253 02 THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE ALL STATEMENTS INFORMATION AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND EXPRESS OR IMPLIED USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY The following information is for FCC compliance of Class A devices This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the inst2. Restart the Application Server and add the CSCmat17676 necessary ports IP address of GW is passed When the VB receives a blank ANI VB CSCmat7693 when the ANI is blank by the VB substitutes the GW s IP address in the ANI field This should not happen The VB should pass the ANI field unchanged GD and Menu should repeat the GD and Menu should repeat the prompt or prompt during an invalid or no menu prompt when there is an invalid entry entry or no entry timeout Currently an error message would be played out to the caller to repeat the entry however the menu prompt is not repeated to the caller 2 VB send out of resource RAS Symptom Some Voice Browsers can message to GK after 1 call process no more than 1 or 2 simultaneous calls Conditions When you use ISN inbound call routing via gatekeeper the ISN voice browser sends out of resources indication to the gatekeeper after processing 1 call When all the voice browsers show out of resources the gatekeeper will still successfully send all calls to 1 of the voice browsers even though it shows out of service This bug decreases the capacity of your ISN to 1 numberOfVoiceBrowsers 100 percent Workaround Use gateway dial peer inbound call routing instead of gatekeeper inbound call routing Digit buffer should be flushed The digits collected by the Voice Browser when call transferred should be flushed when it transfers a call Otherwise when the call is
3. senner 9209 CSCma19965 ISN disconnects call when it Symptoms Call coming from PSTN Siemens gets unknown facility EWSD switch sends a particular Facility msg should ignore Message over a standard PRI configuration to a AS5400 gateway running IOS 12 2 11 T which transfers to ISN Conditions ISN does not recognize this Facility Message and it disconnects the call instead of ignoring it Workaround Turn off this message at the TDM source Long term solution is to have ISN ignore message instead of disconnecting CSCma20553 CSCma20919 Sometimes reserve agent for Symptom An agent may be reserved if the ghost call if caller HU just before caller hangs up in node which precedes the connect node to connect the caller to an agent The agent may be reserved for a ghost call and returned to the end of the agent pool at the end of the reserve time Workaround None Page 25 Internet Service Node ISN 2 0 Release Notes identifier Severity Headline Release note enclosure CSCma22502 VB does not relay the DTMF Symptom DTMF digits entered from an IP from the outbound leg to the phone cause the caller to be disconnected inbound leg when the transfer is bridged via the Voice Browser Conditions When an agent enters DTMF on their hard phone while talking to a caller two problems occur First the digits should be relayed back to the switch via the VB so that an outpulse transfer can occur Second the caller is instea
4. 20M in 3 months there is no call traffic even when there is no call activity There is no workaround except to restart the AppServer if the system available free memory in use gets low Unknown MicroApp needs to In the ICM configuration manager Network return an error code to the ICM VRU Script List if the VRU script name contains an invalid MicroApp name the error code returned to the ICM is not correct In the ScriptEditor call execution will continue out of the X branch of the RunScript node but the ECC variable user microapp error_code will be unchanged A workaround is to make sure the MicroApp name used in the VRU script name field is correct When VB retry for call with On rare occasions when a call processing ICM error retried answer is error is encountered e g DNIS not different configured the caller will simply be disconnected rather than hearing the critical error message This happens when the message from the Application Server to the Voice Browser is not received and the Voice Browser retries If no GK configured and try to Theoretically if the customer wants to use IP transfer should play critical transfer they will have configured a gatekeeper error for the VB However if they forget and an IP transfer request comes to the Voice Browser from the ICM without a gatekeeper configured we hang up the caller without playing a critical error message CSCma07496 CSCma08s681 CSCma08s711 caller
5. Error VXML when it has not yet contacted the Application Server When an Application Server is removed from the list configured on the Voice Browser the Voice Browser will continue to monitor the Application Server since there may be calls still using it There is no problem with this behavior but it should be changed to stop monitoring as soon as all the calls using that server are complete The error message is not clear when the locale specified is not recognized by the TTS server The message logged is WARNING Locale null is not supported for call Page 18 Internet Service Node ISN 2 0 Release Notes Identitier__ Severity Headline Release note Enclosure CSCma23753 5 Wrong VB error message if no If fetching media files using file and the file file found when using file to is not present the resulting error message in access the ISN voice browser is not correct The message says ERROR Media Server lt locale gt lt library gt lt file gt Host Name cannot be resolved Unknown Host CSCma23883 5 Max Sim Call Count is greater The count of the maximum number of by one than actual in Total simultaneous calls in the ISN Voice Browser is Statistics off by one CSCma23919 5 Small timing holes in caller Symptom Rarely an error message referring DTMF entry can cause errors to an unexpected ERROR_NONE message in AS logs appears in app server logs Condition Caller enters DTMF digits when not
6. are generated Conditions This symptom is observed while using a voice extensible markup language VXML application for Automatic Speech Recognition ASR and Text to Speech TTS with third party vendor servers This will happen only if the same IP address is used to access the ASR and TTS servers in the VXML application Workaround Use different host names for ASR and TTS servers even if they are pointing to the same physical machine or address CSCdz75532 GW 2 Need rtp nte for Symptom DTMF tones are not detected by ASR originating ASR Server call may not supply Conditions DTMF tones are needed inband on the audio stream in order to be detected by ASR servers Not all call originating equipment e g Cisco Call Manager can provide DTMF inband Workaround Callers may use voice input CSCea11844 GW 2 Nonbargeinable Symptom The Non Bargeinable prompt can prompt is barged in be barged in with speech input This problem with speech does not occur with dual tone multifrequency DTMF input Condition When a speech input is entered while playing the prompt having attribute bargein False The prompt is interrupted and not spoken Workaround None CSCea16138 GW 2 GW doesn t stop Symptom One way voice and caller ringback tone after continuously hears ringback tone on a call is connected connected call one way voice Conditions Call originating from IOS gateway 5350 Ver 12 2 14 5 T and terminates on an
7. calls will go to an alternate App Server Workaround Contact Technical Support for a workaround to this issue CSCma23629 3 No critical media when GK Symptoms Caller does not hear the critical down for existing call before error message before being disconnected in transfer the case where they cannot be routed to an agent due to Gatekeeper failure Conditions When the ISN is unable to reach the Gatekeeper it takes itself out of service Any calls in progress before the difficulty was detected cannot be routed to an agent The defect is that they are simply disconnected rather than hearing the critical error message and then being disconnected Workaround none CSCma23742 3 A complete failover of Media Symptoms If the IIS service on one of two Server causing 10 second Media Servers is stopped there is an delay before playing acceptable failover to the other MS and announcements announcements are played If however there is a complete failure of one Media Server then all calls routed to that MS will delay by 10 seconds before playing the announcement on the second MS This is not just a one off 10 second failover issue as every call received on the failed MS will have a 10 second delay prior to prompts and announcements being played which is unacceptable to the customer Conditions When there is a complete failure of one Media Server then all calls routed to that MS will delay by 10 seconds before playing the announcement
8. e The ISN Voice Browser detects when an Application Server is taken out of service or overloaded immediately and reroutes all subsequent calls to an alternate server in 1 0 1 a few calls would try the server which was out of service first before being rerouted e Inrelease 1 0 1 there were numbers listed in the Voice Browser metrics which were incorrectly labeled as Media Server latencies they have been removed for the 2 0 release e The ISN Voice Browser value CalledPartyHangupTimeout is changed from 8 seconds to 2 If upgrading from ISN 1 0 1 the value will be changed to 2 seconds regardless of its current setting A message will not be printed in the ISN log s if the timeout occurs e The unused entries DC Directory Administration and DC Directory Server are no longer added to the start menu e When using the Comprehensive or Advanced Speech deployment models the Get Digits and Menu microapps will only be able to collect the digits 0 through 9 as input The and characters can be used as terminating characters with Get Digits they cannot be used as characters to be collected This differs from the Queuing and Transfer deployment model which was the only model supported by release 1 0 1 where and are always collectable characters for Get Digits GD and Menu M microapps 1 3 Release Caveats This version of the Application Server is not compatible with the ISN 1 0 or 1 0 1 Voice Browsers and vice versa P
9. guide posted to http www cisco com In Chapter 5 Application Server Administration on page 5 11 the defaults for load limiting were incorrectly stated e The correct value for New Call Throughput Upper Threshold is 1000 e The correct value for Call Event Throughput Upper Threshold is 400 e The correct value for Call Event Throughput Lower Threshold is 200 Page 7 Internet Service Node ISN 2 0 Release Notes These corrections appear in Chapter 5 of the version of this guide posted to http www cisco com 3 Uninstall for SDDSN ISN version 2 0 0 now supports uninstall for SDDSN ISN 1 0 and 1 0 1 did not The rest of this section applies to systems that had or have SDDSN 1 0 1 installed on them If you have version 1 0 1 of SDDSN installed then run the 2 0 0 upgrade New files are overlaid on top of the old files Configuration is unchanged you do not have to reconfigure SDDSN If you later uninstall this upgrade to 2 0 0 you will be left with a non functioning partial SDDSN which has no uninstall because it is remnant of 1 0 1 You can then run a new upgrade which will give you a new functional SDDSN with configuration still intact If you want to completely remove SDDSN the only option is to reformat the disk This is because there was no uninstall for ISN 1 0 1 SDDSN 4 ASR and TTS Engine Support ISN Version 2 0 s support for ASR and TTS is defined by the functionality supported by the ASR and TTS engi
10. machine CSCmai11987 4 Occasionally see empty VXML Rarely the Voice Browser logs an error Out of from long poll Band communication received an empty VXML instruction set This has no system effect as the message is not call related and a retry succeeds Page 14 Internet Service Node ISN 2 0 Identitier__ Severity Headline Release note Enclosure CSCma12008 CSCma13750 CSCma14416 CSCma16217 CSCma17711 CSCma20628 At startup AS logs incorrect message Adding new Voice Browser 127 0 0 1 MS error detected after call transferred causes call to disconnect DTMF not always relayed through bridged call to second VB Need to be able to adjust Q 931 Call type value via configuration settings ISN as Type3 VRU with NIC logs errors with queuing deployment model Critical media isn t played when no AS avail in Advanced Speech deployment Release Notes In the Application Server start up logs there is an entry Adding new Voice Browser 127 0 0 1 which is incorrect there is no such Voice Browser The message is benign Symptom If a prompt is being fetched for queuing and an agent becomes available the call is transferred If there is a prompt fetch error after the transfer the caller is disconnected Workaround None When the Voice Browser transfers a call to a second Voice Browser DTMF that is entered by the caller is not consistently passed through to the second Voice Browser There is no w
11. processing or customer visible metrics reliability The system contains the error and continues processing calls in a normal manner CSCma21100 4 App Server install password During the ISN Application Server installation isn t validated until reboot won t if you enter the same invalid password twice come up for the associated NT Administrator login validation does not occur An error will occur after Reboot during DC Directory schema update The error is System error 1069 has occurred The service did not start due toa logon failure and is seen on the command window entitled Cisco User Preferences Support The work around is to run the AppServer Reboot exe from the Application Server directory after your system has been rebooted from the initial install CSCma21961 4 VB doesn t support Fast Start Note that this limitation does not change the Inbound Option on Call actual setup time i e there is no adverse Manager effect If H225FastStartInbound true in Service Parameters of Cisco Call Manager the call is dropped when routed via ISN to Cisco Call Manager Workaround Set H225FastStartInbound false default setting in Service Parameters of Cisco Call manager CSCma22180 A Queuing for consultative Call is dropped with 3 2 x Call Manager if transfers does not work until queuing at ISN for consultative transfer CCM 3 3 Workaround None CSCma23584 4 Very Rare Empty VXML Very rarely the ISN Voice Browser will
12. shtml P1 and P2 level problems are defined as follows P1 Your production network is down causing a critical impact to business operations if service is not restored quickly No workaround is available P2 Your production network is severely degraded affecting significant aspects of your business operations No workaround is available Page 29
13. the following website http www cisco com 7 2 Technical Assistance Center The Cisco TAC website is available to all customers who need technical assistance with a Cisco product or technology that is under warranty or covered by a maintenance contract Contacting TAC by Using the Cisco TAC Website If you have a priority level 3 P3 or priority level 4 P4 problem contact TAC by going to the TAC website http www cisco com tac P3 and P4 level problems are defined as follows P3 Your network performance is degraded Network functionality is noticeably impaired but most business operations continue P4 You need information or assistance on Cisco product capabilities product installation or basic product configuration In each of the above cases use the Cisco TAC website to quickly find answers to your questions To register for Cisco com go to the following website http www cisco com register If you cannot resolve your technical issue by using the TAC online resources Cisco com registered users can open a case online by using the TAC Case Open tool at the following website http www cisco com tac caseopen Contacting TAC by Telephone If you have a priority level 1 P1 or priority level 2 P2 problem contact TAC by telephone and immediately open a case To obtain a directory of toll free numbers for your country go to the following website http www cisco com warp public 687 Directory DirTAC
14. type Currency in Speechworks ASR returns in the format mmm mm with no currency indicator prefix 5 Known Defects This section provides concise descriptions of the problems which have been identified up to the date the software was released This list does not include the known problems in the ISN 1 0 1 release 5 1 Known ISN 2 0 Defects ordered by severity Identitier__ Severity Headline Release note Enclosure CSCma24545 2 0 5 of IP originated calls Symptom Call that originates from IP phone terminate abnormally under load may be prematurely terminated after the call is transferred to VXML gateway in Comprehensive mode Condition When a call originates from an IP phone in ISN Comprehensive mode the caller can be prematurely disconnected 0 5 of the time 8 seconds after being transferred to the VXML gateway for IVR treatment Workaround None CSCma09258 3 VRU network transfer This memory exception occurs rarely during a Rare exception in network transfer operation It does not impact SetVXMLElementList the functioning of the Voice Browser as a whole It may adversely affect the individual call such as premature disconnect CSCma09752 3 Rarely AS times out waiting Rarely the Application Server will time out for VB waiting for the Voice Browser In lab conditions under load this is seen in lt 0 01 of calls placed to the voice browser under load CSCmai1974 3 Exception reading memory On very rare occasions when the Vo
15. vxml script Workaround None Symptom Router is not sending a Release message to any routing client or VRU if the script after network Transfer just immediately Released the call without even running a Run VRU Script Conditions The attempt to network Transfer will never succeed and call will never be released Router will however report that route request is complete Workaround None Symptom Call is ringing at agent A but cannot answer Call identifier is invalid Condition ISN 2 0 IPCC 5 0 Ring No Answer had been triggered The call is with agent B Workaround Set the script node to re query In the Agent Desk Setting Set the Ring No Answer timeout ISN RNA Timeout 2 Suggested Set the Ring No Answer Dialed Number lt None gt Symptom Call originating from a 7960 IP Phone and terminating on an IOS Voice Gateway doing both TTS and playing prerecorded prompts does not hear all IVR prompts or hears some very crackly prompts Conditions This occurs when the call originates from a 7960 and terminates on an IOS Voice Gateway performing IVR treatment that includes both TTS prompts and pre recorded prompts wav files Very often the caller will mot hear the wav files that play after the TTS prompt Gateway logs clearly show the RTP packets leaving the gateway with proper sequence numbers and timestamps Suspected to be related to the fact that multiple SSRC s are included in the call Workaround None Whe
16. Cisco provides Cisco com as a starting point for all technical assistance Customers and partners can obtain documentation troubleshooting tips and sample configurations from online tools For Cisco com registered users additional troubleshooting tools are available from the TAC website 7 1 Cisco com Cisco com is the foundation of a suite of interactive networked services that provides immediate open access to Cisco information and resources at anytime from anywhere in the world This highly integrated Internet application is a powerful easy to use tool for doing business with Cisco Cisco com provides a broad range of features and services to help customers and partners streamline business processes and improve productivity Through Cisco com you can find information about Cisco and our networking solutions services and programs In addition you can resolve technical issues with online technical support download and test software packages and order Cisco learning materials and merchandise Valuable online skill assessment training and certification programs are also available Customers and partners can self register on Cisco com to obtain additional personalized information and services Registered users can order products check on the status of an order access technical support and view benefits specific to their relationships with Cisco Page 28 Internet Service Node ISN 2 0 Release Notes To access Cisco com go to
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18. age 6 Internet Service Node ISN 2 0 Release Notes 2 User Documentation The User Documentation consists of Where to find it Cisco ISN Configuration Describes configuration and File name and Administration Guide administration of ISN ISN_Conf pdf components Cisco ISN Installation Describes how to install the File name Guide ISN components and perform ISN_Install pdf initial configuration Cisco ISN Product Provides an overview of the File name Description features and benefits of the ISN_ProdD pdf ISN software Cisco ISN Version 2 0 This document File name Release Notes ISN_RelN pdf 2 1 Important Note Regarding User Documentation Appendix C ISN Deployment in the Cisco ISN Configuration and Administration Guide was still under development when the ISN Documentation CD was released to manufacturing For the completed version of Appendix C see the Cisco Web page http www cisco com 2 2 User Documentation Corrections The following issues were discovered in the Cisco ISN Configuration and Administration Guide after the ISN Documentation CD was released to manufacturing The default for the user microapp input_type ECC variable was not explicitly stated anywhere in the guide The default for this variable is B both Voice and DTMF input this information now appears in Chapter 2 Using the NAM ICM with the ISN IVR Solution and Appendix C ISN Deployment of the version of this
19. being prompted to do so such as when a call is being restarted in comprehensive deployments due to an error on the IVR leg Most of the time the entering of such digits is not a problem but rarely it can cause this symptom Workaround None necessary CSCma24201 5 Application Server uninstall After the ISN Application Server is uninstalled leaves some IIS virtual root the following IIS default web site directories directories erroneously remain AppAdmin C inetpub wwwroot AppAdmin ApplicationServer C Cisco lISN ApplicationServer No bad side effects occur from this problem A new ISN install or upgrade correctly overwrites these virtual root directories Work Around none required but if cleanup is desired go to Start gt Settings gt Control Panel gt Administrative Tools Double click on Internet Services Manager Double click on the ISN host name Double click on default web site Right click on AppAdmin and select Delete At the prompt to delete click on Yes Do the same for Application Server Page 19 Internet Service Node ISN 2 0 Release Notes 5 2 Significant Defects in Other Components which Affect ISN Solution ordered by severity Identitier__ comp Severity Headline Release note Enclosure CSCea34215 GW 1 Gateway crash in Symptoms Although a Cisco AS5400 rtsplib_set_session gateway has a light traffic load of 50 calls and has run for only a few minutes it may reload timeouts after tracebacks
20. cation Servers and get reports that distinguish between them After the Voice Browser and Application Server start up the first call occasionally fails to play the first prompt in the application The Voice Browser logs an error that it is unable to retrieve the null wav media file and an error is returned to the ICM application During installation of an Application Server the user will see an erroneous number for disk space required The user is protected by underlying software that compares the actual disk space required to the available disk space and alerts the user Without router requery enabled on the ICM when an attempted IP transfer fails the ISN simply disconnects the caller it should playing the critical error media before disconnecting The workaround and better solution all around is to use router requery so the script determines the proper action when a transfer fails On rare occasions a delay is experienced by the caller because the HTTP message is corrupted between the Voice Browser and the AppServer The AppServer logs the error since it is unable to respond the Voice Browser times out and retries the message which succeeds In lab conditions the problem has been seen approximately once every 60000 requests Page 12 Internet Service Node ISN 2 0 Release Notes os Headline Release note Enclosure CSCma05957 CSCma06146 f CSCma06721 AS engine leaks memory when The AppServer leaks around
21. d disconnected Workaround Agent would need to be retrained to do a Transfer to a number that would trigger a CTI route point that would trigger an outpulse transfer from an ICM script to the VB 3 AppServer filling up if VB does Symptoms App server ports fill up if VB does not get RELEASE _COMP from not get release from GW switch GW Condition Using Transfer connect e g 8 and switch does not release the call with the expected time of 8 seconds Workaround If the release is simply delayed contact Technical Support for information on how to increase the expected time If the release does not happen manually delete the call from the Application Server or wait for it CSCma22508 to time out 2 hours and delete itself Years in first decade are spoken Years in first decade are spoken poorly in poorly in English English for example 2002 is spoken as two thousand oh two rather than two thousand two CSCma22627 CSCma22747 CSCma22749 Rarely VB hangs when printing Symptom In the VB logs the metrics stop metrics printing right before the snapshot statistics Node Manager restarts the Voice Browser eventually Conditions This problem occurs very rarely because of the very low probability of all timing dependencies Workaround None Occasional ERROR Symptom The following error occasionally INTERNAL Call not idle but appears in the VB logs ERROR INTERNAL trying to delete call Call not idle but trying to
22. delete call object Conditions This should have no effect on the caller It will occur when a DTMF key is entered in the same millisecond that a prompt finishes playing Workaround None Page 26 Internet Service Node ISN 2 0 Release Notes identifier Severity Headline Release note enclosure CSCma23779 2 VB can t load media file with Symptom Caller gets dead air indefinitely long duration on local machine waiting for prompt to play Condition This occurs when using the file media file access method in the Voice Browser and the prompt file is larger than 20K Workaround Use http file server instead of file method Don t collect DTMF digits input Symptom ERROR_NONE error messages by caller while transfer in appear in app server log progress Condition Occurs when DTMF is input by the caller during the time the Voice Browser is setting up the transfer to the agent Workaround Don t enter DTMF during an agent transfer CSCma23865 6 Obtaining Documentation The following sections provide sources for obtaining documentation from Cisco Systems 6 1 World Wide Web You can access the most current Cisco documentation on the World Wide Web at the following sites http www cisco com http www china cisco com http www europe cisco com 6 2 Documentation CD ROM Cisco documentation and additional literature are available in a CD ROM package which ships with your product The Documenta
23. e When the ISN is acting as a Type 7 Network VRU and the call needs to be taken away from the VRU to be connected to an agent it should release the call for a transfer but does not which means the call cannot be transferred When the ISN is acting as the switch routing client in a VRU Type 7 call flow the ISN does not respond to the ICM release but sees the VRU leg hang up If the caller does not hang up within 2 seconds ISN Release 2 0 the ISN will hang up It should be noted that in the presence of ICM defect CSCma18392 release 4 6 2 the ICM does not send a release message to the IVR leg of the call when using a VRU Type 7 call flow As a result in the presence of both of these problems the behavior is the same as described above even when the ISN is not busy with another script node Additionally if the VRU leg does not release the call the ISN acting as the switch will restart the call if configured to do so and the caller has not yet hung up Page 10 Internet Service Node ISN 2 0 Release Notes Identifier _ Severity Headline Release note Enclosure CSCma23427 3 1 minute 24 second delay for For calls in progress the Call Restart feature restart when AS network cable on the ISN Voice Browser has a very long is pulled delay almost a minute and a half before the call is restarted on the next Application Server in the AppServer list This occurs when the Application Server loses network connectivity Any new
24. eeeeeneeees 27 6 1 World Wide Web viii ssccectateeca cadessthsnete dd aadhen peiadtcoaasdhhodeatatacead anaes 27 6 2 Documentation CD ROM 2 ceeceeeeee cess ee eeeeeeeeseeeeeaeeesneeees 27 6 3 Ordering Documentation aaisa kaa E a EA ASE 27 6 4 Documentation Feedback cccccceeeeceeeeeeeeeeeeeesaeeeeaeeesneeees 28 Obtaining Technical Assistance cccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 28 TNE CISCO COM E EE A OT thcelear es SA 28 7 2 Technical Assistance Center 2 cecceceeeeeeeeeeeeeeeeeeeeaeeeeneeees 29 Contacting TAC by Using the Cisco TAC Website cceeceeees 29 Contacting TAC by Telephone eseeseseseseseeseeseseseseseseseaeseseasaeaeaeaeaeseatas 29 Page 3 Internet Service Node ISN 2 0 Release Notes This document describes Cisco Internet Service Node ISN Release 2 0 The user is expected to be familiar with the ISN solution and to have access to the ISN Release 2 0 documentation set Note For the most up to date version of these release notes as well as all other ISN 2 0 documentation go to the Cisco Web page http www cisco com 1 Description 1 1 New Features Added since Release 1 0 1 Ability to use ASR Automatic Speech Recognition and TTS Text to Speech services with ISN The ICM script editor is used to configure the information required for ASR TTS using a combination of VRU script configuration and ECC variables o Note tha
25. evices If the equipment causes interference to radio or television reception try to correct the interference by using one or more of the following measures e Turn the television or radio antenna until the interference stops e Move the equipment to one side or the other of the television or radio e Move the equipment farther away from the television or radio e Plug the equipment into an outlet that is on a different circuit from the television or radio That is make certain the equipment and the television or radio are on circuits controlled by different circuit breakers or fuses Modifications to this product not authorized by Cisco Systems Inc could void the FCC approval and negate your authority to operate the product The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California Berkeley UCB as part of UCB s public domain version of the UNIX operating system All rights reserved Copyright 1981 Regents of the University of California NOTWITHSTANDING ANY OTHER WARRANTY HEREIN ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED AS IS WITH ALL FAULTS CISCO AND THE ABOVE NAMED SUPPLIERS DISCLAIM ALL WARRANTIES EXPRESSED OR IMPLIED INCLUDING WITHOUT LIMITATION THOSE OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING USAGE OR TRADE PRACTICE IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE L
26. ice copy of registry if in out of Browser goes in or out of service there can be service rare an exception which causes the Voice Browser to be restarted In lab conditions this has been seen once in hundreds of times of testing this scenario Page 9 Internet Service Node ISN 2 0 Release Notes Identitier__ Severity Headline Release note Enclosure CSCma12977 3 Very rarely in lab conditions Symptom Voice Browser prints log errors for with high transfer rate ISN can Invalid sequence number during transfer drop call When these occur it happens almost always at the time of call disconnect so there is no effect to the caller since they are already gone However very rarely this error may occur while the call is active In such cases the caller will be abnormally disconnected Conditions This very rarely occurs and seems to be only under lab conditions when a transfer load through the Voice Browser is excessively high Workaround None CSCma13959 3 Timed out from Voice browser In very rare circumstances there is an error shouldn t happen unexplained error in the Application Server log files The log reports that the Application Server Timed out waiting for Call Result from Voice Browser This error shouldn t happen There aren t any workarounds for this problem CSCma20970 3 ISN is not supported with NIC The ISN does not respond to an ICM release if in VRU Type 7 call flow it is busy with another script nod
27. inal functionality and the functionality of both products but we should use the correct message in the near future Workaround None This has been fixed in CCM 3 3 CSCdx26761 GW 3 Need CLI to disable Currently IOS enables TCP keepalives on the h225 TCP keepalive H225 VoIP call control session This cannot be timeouts disabled These keepalives zero byte tcp packets are sent each minute and will tear down the tcp session after 4 attempts which clears the call The noticed symptom is that calls in progress are dropped after 5 minutes if these keepalives are not acknowledged The TCP keepalives may be blocked in certain circumstances such as while running the VoIP gateway in SRST mode and the WAN link to the CallManager fails traversing firewalls which may be blocking the TCP keepalives In the latter case this should not occur but has been noticed in some cases Workaround None Page 21 Internet Service Node ISN 2 0 Identitier__ comp Severity Headline Release note Enclosure E 7 CSCea60562 IP _ FetchTimeout not working Router never disconnects on just Release Node after Network Transfer Agent app shows call after ring no answer via ISN network transfer Choppy or missing voice when using multiple SSRCs in a call ICM shouldn t return DIALOG_FAIL UNS PEC for Reaqlnstr with abandoned call Release Notes Symptom The HTTP response timeout does not timeout as specified in
28. ld NULL shows The caller ID appears to called party as 0 callerld 0 on IP transfer if instead of NULL when caller Id is either NULL sending DNIS to GK or Blocked and the Voice Browser is configured to pass DNIS to H 323 Gatekeeper for billing MS on same machine with VB When media server and Voice Browser are on takes a long time to fetch the same machine it takes longer to fetch the media using host name media than if the media server is on a separate machine if the media server URL is defined as a host name rather than an IP address then it takes even longer The increase in time is dependent on the call load on the server The preferred mechanism for this environment is to fetch the media files directly from the file system using a base URL file rather than http Page 13 Internet Service Node ISN 2 0 Release Notes Identitier__ Severity Headline Release note Enclosure CSCma08819 4 When AS List changed calls If the list of application servers configured on accepted before the Voice Browser is changed from one which communication established has at least one server which is serving calls anybody to a list where none are serving calls e g a misconfiguration a few seconds can elapse where calls are accepted at the voice browser but cannot be serviced The safest method for removing app servers from the app server list is to take the voice browser out of service and let all calls in progress finish then cha
29. ld not be alternative endpoints should not used for the egress leg of the call to the be used agent as the retries invokes may take longer than the time for which the agent is reserved This is not documented adequately in the user manuals CSCma15111 CSCma16835 AS does not handle ICM VRU If the ICM is misconfigured with a VRU script Script timeout timeout which is shorter than the amount of time required for the script execution the ISN will not correctly respond to the timeout It will continue with the existing script until it ends or the caller hangs up If the ICM script has reached a RELEASE node the following error message will be listed in the App Server logs Timed out waiting for Call Result from Voice Browser timeout is 10 seconds The symptom for this problem may be observed by monitoring the path the call takes in the script CSCma11283 4 Benign invalid grammar On rare occasions at startup the Application message upon startup server logs an error invalid grammar for a single call the ICM script error handling from that node will be used to process the call Page 23 Internet Service Node ISN 2 0 Release Notes identifier Severity Headline Release note enclosure CSCma16843 Ports not set for prerouted calls If the preroute ports are not set the first will cause AS to go Out of prerouted call will make the AS go Out of Service Service indefinitely Possible Solution CSCmat7032 CSCmat17495
30. log an Instruction Error in VB logs error message ERROR INTERNAL Empty VXML instruction set The call is disconnected This has been seen in laboratory conditions on less than one call in 100000 There is no workaround Page 16 Internet Service Node ISN 2 0 Release Notes Ss Headline Release note Enclosure CSCma23587 VB may return RNA for other The ISN VB is incorrectly sending a transfer failure conditions RingNoAnswer result for some transfer failures which occur for reasons other than CSCma23684 CSCma23749 RingNoAnswer This has been seen in CSCma23928 laboratory conditions with misconfigured target CSCma23959 Voice Gateways causing some type of general transfer failure This may create confusion CSCma24085 CSCma24096 when trying to diagnose transfer failure causes ISN Voice Browser does not If the Play Media script node is given with no support Play Media with no media file the ISN Voice Browser will generate prompt an error This should not be an error condition it should simply do nothing and return success When printing metrics rarely Symptom Rarely doing a get incorrect counts in ShowSnapshotStatistics from VBadmin or snapshot stats looking at snapshot statistics in VB metrics will show an incorrect count of calls Conditions Unknown Workaround None GW Overload ERROR Cannot_ When the Voice GW is overloaded it may not receive ReEstablishChannel in be able to properly accept o
31. n using a type 3 7 network VRU if a call is abandoned immediately after during an explicit implicit SendToVRU node an error message about UNSPECIFIED_FAILURE from ICM is logged by ISN Page 22 Internet Service Node ISN 2 0 Release Notes 5 3 ISN 1 0 1 Defects Fixed in ISN 2 0 ordered by ID identifier Severity Headline Release note enclosure CSCma06207 AF port update is not consistent Changing the Alarms Forwarder AF port on the App Server does not work and causes CSCma06906 the communication to break If left as the CSCma08761 default it works correctly CSCma08s953 Caller does not hear ringing When a call is being transferred to Call during transfer to CCM before Manager the caller hears only silence while answer the outgoing call is being connected dumplog installed with VB If you have installed ISN Voice Browser Administration alone doesn t Administration without a Voice Browser work Application Server or SDDSN dumplog doesn t work for ISN logfiles local or remote The workaround is to uninstall ISN then reinstall Voice Browser Administration along with Update External SDDSN Components Voice Browser occasionally The Voice Browser occasionally needs to retries messages to AppSvr retry it s communication message to the Tomcat Application Server This results in a delay in responding to the caller for that step of the IVR Document that outbound Outbound alternate endpoints shou
32. ndustry nomenclature This affects the location for the media server system files used for built in types such as numbers and currencies The actual grammar definitions will work for both formats en_US as well as en us If upgrading from a system where the locale default is used move the existing media server system files e g 1 wav from en_US directory to en us directory If the locale is not defaulted there are three approaches Option 1 Change the scripts to use en us rather than en_US and move the existing media server system files e g 1 wav from en_US directory to en us directory Option 2 Move the new prompt files installed as part of the upgrade e g USD_dollar wav from en us directory to en_US directory This is the easiest approach but will continue to be an issue with each release Page 5 Internet Service Node ISN 2 0 Release Notes Option 3 Support both locale nomenclatures and gradually change scripts from en_US to en us In order to support both Copy the new prompt files installed as part of the upgrade e g USD_dollar wav from en us directory to en_US directory Copy the existing media server system files e g 1 wav from en_US directory to en us directory e The prompts used when playing dollar currencies have changed from dollar wav and dollars wav to USD_dollar wav and USD_dollars wav
33. need for TTS Euro Peso GB Pounds Canadian dollars Page 4 Internet Service Node ISN 2 0 Release Notes Automated codec negotiation between ingress and egress gateway endpoint during IP Transfer Metrics have been added to the Application Server to measure it s internal response time and the ICM response time Metrics have been added to the ISN Voice Browser to measure call arrival and transfer rates cps The transfer latency metrics in the ISN Voice Browser logs have been separated into the time to alerting and time to off hook The RNA timer for transferred calls is user configurable at the ISN Voice Browser The Voice Browser and the Application Server may now be configured to not connect to SDDSN server The call will be restarted if certain egress endpoints fail Specifically when a transfer has succeeded and the egress is a Voice Gateway that fails the call will be restarted rather than disconnecting the caller The Voice Browser can now be configured to pass either the Dialed Number DNIS or Calling Line Identification CLI in the Calling Party Number parameter of the Setup message during IP Transfer Support for ringback and other tones like tone on hold have been added during Supplementary services like Transfer Hold and Conference invoked at Cisco CallManager 1 2 Changes from Release 1 0 1 The default locale strings changed from en_US to en us and from en_GB to en gb to be compatible with current i
34. nes that are used in the solution ISN Version 2 0 has been tested with the Nuance and Speechworks versions listed in Cisco Internet Service Node ISN Data Sheet on Cisco Connect Online CCO at http www cisco com During that testing the following differences between these two products were identified by the ISN Team The only currency supported for ASR is U S Dollars in Nuance 8 0 Play Data PD as Char where char is a list of digits is not supported in Nuance Vocalizer 1 0 but is supported in Vocalizer 2 0 PD as ETime is not supported in Nuance Vocalizer 1 0 but is supported in Vocalizer 2 0 PD as TOD is not supported in Nuance Vocalizer 1 0 but is supported in Vocalizer 2 0 PD as Date is not supported in Nuance Vocalizer 1 0 but is supported in Vocalizer 2 0 PD as Currency is not supported in Nuance Vocalizer 1 0 but is supported in Vocalizer 2 0 Nuance Vocalizer 2 0 supports only English The Nuance ASR engine does not buffer voice or DTMF input before the recognizer is ready to listen Built in type Currency in Nuance ASR returns in the format UUUmmm mm where UUU is the three character currency indicator Page 8 Internet Service Node ISN 2 0 Release Notes When using external VXML with Nuance ASR specifying an invalid locale will cause the default locale to be used and the recognizer will not return an error ISN was not tested with the Speechworks TTS product Built in
35. nge the app server list to the desired settings and bring voice browser back into service CSCma09802 4 Going Into Service during AS If the application server is manually put back in startup does not work alarm service during its initialization it does not go status bad into service The status is correctly displayed in AppAdmin but the alarm that had been set for it being out of service is cleared This sequence occurs when the user manually takes the App Server out of service then restarts it then immediately requests that it go in service during initialization The prevention and work around is to wait until the application server has fully initialized before going into service CSCma10402 4 Call object not found message Occasionally the error message Failed should be printed only when finding a call Object with call ID XXXXXXxX true problem appears in the Voice Browser logs Most times this is an informational message only not an error and should be ignored CSCma10677 4 AppServer won t startup if App Server will not start up if off the network machine off network directory The symptom is that it starts a window then issue crashes This repeats as Node manager attempts to restart it This may be confirmed by checking the W2K Services window where the DC Director service will appear in state Starting normal state is either Started or lt blank gt The solution is to put the system on the network and reboot the
36. on the second MS Workaround A content switch may be an appropriate solution since it also provides load balancing There is a workaround available from the operating system vendor contact Technical Support for further information Page 11 Internet Service Node ISN 2 0 Identitier__ Severity Headline Release note Enclosure CSCma23943 CSCma24354 CSCma04922 CSCma05340 CSCma05595 CSCma05858 30 ms packetization doesn t work for Call Transfer with ISN VB Reporting for IVR time is not available ServicelD isn t configured Sometimes getting null wav file on first call after AS restart Component Selection dialog screen shows incorrect diskspace required If transfer fails ISN hangs up should play error Very rarely AS receives corrupted http messages VB retry works Release Notes Symptom With ISN Voice Browser packetization is 20ms even if gateways are configured for 30ms Conditions Using ISN Comprehensive or queue and transfer deployment models with ingress and egress gateway both configured for 30 ms the packetization used during IVR treatment and for IP Transfer is 20ms Workaround None Peripheral Service reports cannot be generated for ISN calls which means that reporting is not available for the time spent in the IVR The ISN Application server sets the Service ID to 1 not used it should put a configurable value in the field so the user may set different values for different Appli
37. orkaround Problem The Q 931 call type defaults to National in the Voice Browser for outgoing calls and is not configurable Conditions This can cause outgoing call failures on the voice gateway if the dial plan types do not support national Workaround On the Voice gateway use the isdn map command to remap a National call type to Unknown call type When the ISN is deployed in the queue and transfer deployment model same as the 1 0 release deployment model as a Type 3 VRU with a NIC as the routing client errors will be logged for each call which transfers to an agent as a result of a Run VRU script result Workaround Use the Advanced Speech deployment model Symptom For an Advanced Speech deployment GW Voice Browser ISN App Server when a call cannot proceed because no App Servers are available to process the call the caller is simply disconnected the caller should hear the critical media file flash error wav before the call is disconnected Workaround None Page 15 Internet Service Node ISN 2 0 Release Notes Identitier__ Severity Headline Release note Enclosure CSCma20667 4 Null pointer exception in AS Rarely the following error message will appear warning message in the Application Server logs 824 Oct 09 17 33 43 718 EDT ISN SS_HTTP 4 WARNING Error in interval 420 java lang NullPointerException The problem occurs in dormant internal metrics calculations and have no impact on call
38. other H 323 endpoint which use the H225 Info message with Signal IE value 1 and Signal IE value 63 to start and stop the ringback tones Workaround None Page 20 Internet Service Node ISN 2 0 Release Notes Identitier__ comp Severity Headline Release note Enclosure CSCdw39759 CCM 3 INFO message Problem Description When a call coming from should be used for IOS gateway and terminates to IP phone and ringback tone is being transferred the caller is not hearing generation for IP the second ring back tone cscds11354 phone call transfer Change has been made in both call manager and IOS gateway to use h225 user info message to send the q931 signal IE to request the IOS Gateway to turn on and off the ring back tone But it turns out that the older version of H 225 standard dated 02 98 had typo error in session 7 3 6 which stated User Information message should be used and the latest H 225 standard dated 11 00 corrects the error by stating that Information message should be used In order to correct this problem both Call Manager and IOS gateway needs to make the change at the same time to use the correct message type there is a ddts cscdw39337 opened to keep track of this problem for the IOS gateway therefore these two ddts are dependent on each other Since the user information message is being only used between Call Manager and Cisco IOS Gateway at this time there is no immediate impact on the orig
39. r reject calls and CWaitInOLCAck the ISN Voice Browser creates the following log message ERROR Cannot receive ReEstablishChannel in state CWaitInOLCAck Conditions This has been seen only in laboratory conditions where a defect in another product flooded the GW Workaround Do not overload the voice gateway beyond its quoted rating Negative values reported for The App Server occasionally computes and Call Throughput Latencies reports negative values for the Call Throughput Latencies DTMF is not relayed for CCM DTMF is not relayed from outbound call leg to originated calls inbound when call originates from IP phone on CCM and terminates on IP phone at CCM This is because when the DTMF is relayed it is always proxied using alphanumeric TransferCLI and SetupCLl Symptom If customer chooses to pass the should be configured caller id in the ARQ request to the gatekeeper independently they cannot choose to pass DNIS in the setup message on the transfer they can only pass caller id Workaround None Page 17 Internet Service Node ISN 2 0 Ss Headline CSCma24166 Call gets stranded in VB during rare combination of events AS as Type 3 VRU gets error with asynch disconnect from VB or GW new call CSCma24315 If log files are in subdirectory they aren t displayed in AppAdmin CSCma05001 screen after user disconnects call manually H323 Id length is limited to 100 should be 256 as per to H 323 spec VB ac
40. r respective owners The use of the word partner does not imply a partnership relationship between Cisco and any other company 0303R Cisco Internet Service Node ISN Release Notes for Release 2 0 Copyright 2003 Cisco Systems Inc All rights reserved Cisco Internet Service Node ISN Release 2 0 2 DOSCHIPUOM Ses ncde cee sededi cdl ade T E T 4 1 1 New Features Added since Release 1 0 1 cceeeeeeeeeeeeeeeeeeeees 4 1 2 Changes from Release 1 0 1 ce ececeeeeeeeeeeeeeeeeeeeeeeeaaeeeeeeaaeeeees 5 1 3 Release Caveats n paiaina paea ai i raana Daea iniaa ai iaaii 6 User Documentation 22 cccceeee cence ee ee ee ee eeeeee ee eeeeeeeeeeseeeeeeeeeseeeeeeees 7 2 1 Important Note Regarding User Documentation eceeeeeeee 7 2 2 User Documentation Corrections ccceeeeeeceeeeeeeeeeeeeeeeeeeeeeeeeees 7 Uninstall for SDDSN oaae ema aaaea an air iden i aiaa de cesseenercewee scent 8 ASR and TTS Engine Suppott ccceeececeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 8 Known DOL CIS wo 2a vsccs iaaea aa ane aa i aa aiaa da iaaeaie 9 5 1 Known ISN 2 0 Defects ordered by Severity cceeeeeeeneeeeeeeee 9 5 2 Significant Defects in Other Components which Affect ISN Solution ordered by severity 20 5 3 ISN 1 0 1 Defects Fixed in ISN 2 0 ordered by ID 0 eee 23 Obtaining DOCUMENTATION ceceeeeeeeee cece eeeeeeeeeeeeeeeeeeeeeeeeee
41. ruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case users will be required to correct the interference at their own expense The following information is for FCC compliance of Class B devices The equipment described in this manual generates and may radiate radio frequency energy If it is not installed in accordance with Cisco s installation instructions it may cause interference with radio and television reception This equipment has been tested and found to comply with the limits for a Class B digital device in accordance with the specifications in part 15 of the FCC tules These specifications are designed to provide reasonable protection against such interference in a residential installation However there is no guarantee that interference will not occur in a particular installation Modifying the equipment without Cisco s written authorization may result in the equipment no longer complying with FCC requirements for Class A or Class B digital devices In that event your right to use the equipment may be limited by FCC regulations and you may be required to correct any interference to radio or television communications at your own expense You can determine whether your equipment is causing interference by turning it off If the interference stops it was probably caused by the Cisco equipment or one of its peripheral d
42. t if a call is to use ASR at any time the ASR server must be used for all data input the caller may provide that input via voice or DTMF In script editor terms you may not mix and match input type B and D in one call This is a limitation of the Voice Gateway that may be removed in the future no changes will be required in the ISN o The ASR engines supported by this release require the voice channel to be G 711 ulaw As a result prompting prerecorded prompts must be G 711 ulaw if ASR is to be used for a call o The logging tag used with the MRCP server is a form of the call s conference ID which is also stored in one of the ECC variables for the ICM o Characters such as fi are passed to the ASR TTS servers They are supported with ISN 2 0 and will be part of the solution if also supported in the ASR TTS server Ability to perform IVR treatment at the Voice Gateway Ability to connect and transfer calls which originate as IP calls This also enables the ISN to be used as a queue point for Cisco Call Manager IPCC local transfers Support for additional Voice Gateways 3640A 3660 AS5350 AS5400 AS5400 HPX in addition to AS5300 Advanced load balancing and failover using Cisco Content Server Switch in some deployment models Support for Spanish grammars without the need for TTS New locales include es es and es mx for Spanish in Spain and Mexico Support for additional currencies without requiring the
43. taken back for IVR treatment they start acting on the new IVR script Workaround is to do a get digits to collect and throw away any left over entries using a no entry timeout of 0 Media library type N is not The user documentation describes a setting supported N for the media library type it is not supported CSCma18166 Page 24 Internet Service Node ISN 2 0 s s lt Ss SsSsSsSsS Release Notes Severity Headline Release note enclosure PD locales for simultaneous Under rare conditions and only for customers calls may be intermixed that use multiple locales simultaneous calls running the PD script may inadvertently have their locales changed in the middle of a prompt For example a caller hearing a long number string being played back may hear the beginning of the number starting with a male voice from a eng_US locale w US accent and end the same number with a female voice from a eng_GB locale w British accent Customers that use a single locale will not be impacted There is no workaround ERROR_NONE is an invalid Symptom ERROR_NONE is an invalid return code during MONITOR return code from voice browser while state monitoring a transferred call appears in app server logs Condition Typically happens when DTMF digits arrive at the Voice Browser at unexpected times such as when a transfer to an agent is being set up There should be no impact to the caller Workaround None
44. tion CD ROM is updated monthly and may be more current than printed documentation The CD ROM package is available as a single unit or as an annual subscription 6 3 Ordering Documentation Cisco documentation is available in the following ways Registered Cisco Direct Customers can order Cisco Product documentation from the Networking Products MarketPlace http www cisco com cgi bin order order_root pl Page 27 Internet Service Node ISN 2 0 Release Notes Registered Cisco com users can order the Documentation CD ROM through the online Subscription Store http www cisco com go subscription Nonregistered Cisco com users can order documentation through a local account representative by calling Cisco corporate headquarters California USA at 408 526 7208 or in North America by calling 800 553 NETS 6387 6 4 Documentation Feedback If you are reading Cisco product documentation on the World Wide Web you can submit technical comments electronically Click Feedback in the toolbar and select Documentation After you complete the form click Submit to send it to Cisco You can e mail your comments to bug doc cisco com To submit your comments by mail use the response card behind the front cover of your document or write to the following address Attn Document Resource Connection Cisco Systems Inc 170 West Tasman Drive San Jose CA 95134 9883 We appreciate your comments 7 Obtaining Technical Assistance
45. tive call list New Calls show Critical Error VXML for Last AS CSCma07035 CSCma09898 Shouldn t poll App Servers forever after removing from list CSCmat13770 Unfriendly message appears in the AS Log when locale is not set for TTS CSCma23014 CSCma05076 a AppServer Not Refreshing Release Notes Release note Enclosure Symptom In ShowActiveCalls from VBAdmin call is in Transferred state for days Conditions The exact sequence necessary to create the problem is 1 Caller is queued and prompt finishes Request is sent to the App server for instructions 2 Asynchronous transfer instruction arrives at VB while waiting for response from step 1 3 Caller hangs up after asynchronous transfer is received but before App server responds to step 1 Workaround None Rarely if the caller is transferred or disconnects while waiting for the very first run script command in a type 3 VRU configuration the Application Server will generate a benign error The call is then cleaned up properly The AppAdmin is designed to look for log files in the directory where the AppServer is installed If user configures the log files to be written to another directory the log files won t be visible in AppAdmin The Active Calls page on the Web UI may not refresh after deleting a call during high call volumes H323 Id length is limited to 100 characters Show Active Calls from VBAdmin displays Last Application Server as Critical
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