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1. 20x s non volatile flash memory The current configuration can be remotely updated using several configuration interfaces as shown in Figure 2 1 m HTTP based Web server E SNMP m TR 069 H Configuration file upload download Figure 2 1 Remote Management Interfaces Web Server Configuration File HTTP Access ii TR 069 Upload Download MP20x Non volatile Storage TO O N A Current Configuration Nat Restore Defaults y iY Factory Settings 4 All configuration interfaces access the same internal configuration repository The configuration file represents the complete set of MP 20x configuration parameters Specific configuration interfaces e g SNMP and TR 069 might support access only to a sub set of these configuration parameters At any time the factory settings can be restored using the Web interface or by pressing on the Restore Defaults push button while the MP 20x is being powered up Version 2 6 x 2 8 0 9 September 2008 XA b wt AudioCodes MP 20x Series The table below lists the main MP 20x configuration parameter groups Table 2 1 Main MP 20x Configuration Parameter Groups Group Description VoIP Parameters relating to the VoIP functionality of the MP 20x e g analog interface SIP or MGCP signaling voice and fax media streaming WAN Interface The main WAN Internet connection this group is also referred to as the Quick Setup2. Future versions will support SSH Version 2 6 x 2 8 0 31 September 2008 AudioCodes CPE amp Access Gateway Products s i MediaPack Series Telephone Adapters MP 20x Series with Integrated Router Application Note MP 20x Remote Management Options Version 2 6 x 2 8 0 fa AudioCodes www audiocodes com THE STANDARDS INSTITUTION OF ISRAEL
3. Network Connections Configuration of all network connections LAN and WAN including advanced connections such as VLANs Security Parameters relating to the MP 20x internal firewall QoS Configuration of Quality of Service parameters such as priorities and traffic shaping System Advanced Configuration of system parameters such as Remote Update and Remote Access and advanced parameters such as Dynamic DNS UPnP The following list represents a typical set of parameters that a service provider may want to configure m Remote access and or automatic firmware and configuration update parameters VoIP configuration SIP proxy line settings User IP Password E QoS parameters e g traffic shaping 2 2 Remote Management Tasks 2 2 1 Firmware Upgrade Service providers require the ability to update the MP 20x s firmware in the field e g in case of maintenance releases or releases that support new required features The process is required to be E Automatic allowing mass update m Robust and fail safe The MP 20x s firmware is stored in the non volatile flash memory The MP 20x s flash memory is capable of storing a recovery firmware that ensures a fail safe operation even if the user unplugs the power during the firmware burning process The MP 20x s firmware can be upgraded using one of the following mechanisms refer to Figure 2 2 m The new firmware can be pushed uploaded to the MP 20x using the embedded Web server m T
4. RTP packets sent acMP20xCallBytesSent Number of payload bytes sent acMP20xCallBytesReceived Number of payload bytes received acMP20xCallPacketsLost Number of packets lost Remote Management Options 26 Document LTRT 55201 Application Note Remote Management Options acMP20xCallLostPercentage Packet loss percentage acMP20xCallJitter Average call jitter in ms acMP20xCallRoundTripDelay Average call round trip delay in ms 3 3 2 2 Network Interfaces and System Monitoring Status monitoring of the system and network interfaces can be done via the standard MIB Il iso 1 org 3 dod 6 internet 1 mgmt 2 mib 2 1 The following table shows some of the information elements available via MIB II Table 3 13 Information Elements Available via MIB II Section system Available Information Description Version Information Up time interfaces Information per network interface Description Type Speed MAC address Traffic statistics Errors ip Assigned IP addresses and IP related parameters icmp udp tcp Transport protocol specific statistical information ifMIB Information about network interfaces per RFC 2233 3 3 3 Security Concerns and Measures Since SNMP allows write access to configuration parameters it is important to protect this interface The following security measures are available m A community string password can be defined for read only access and for read write acc
5. x 2 8 0 21 September 2008 Ta el AudioCodes MP 20x Series 3 2 2 Monitoring the MP 20x Status via TR 069 and TR 104 The service provider can monitor the status of the MP 20x via TR 069 and TR 104 3 2 2 1 Device Information Table 3 9 InternetGatewayDevice Devicelnf Parameter Description DeviceLog HardwareVersion Manufacturer AudioCodes ManufacturerOUI 00908f ModelName MP202 ProductClass MP20X ProvisioningCode SerialNumber 12345 SoftwareVersion 4 10 4 5 2 SpecVersion 1 0 UpTime 785 3 2 2 2 WAN Status Table 3 10 Value Jan 1 00 05 47 2003 Command Line Interface Warning CLI 0x101d26f8 got a string containing a non char 22 character InternetGatewayDevice WANDevice 2 WANConnectionDevice 2 WANIPConnection 2 Stat Parameter EthernetBytesReceived EthernetBytesSent EthernetPacketsReceived EthernetPacketsSent Value 1025286 1686314 2991 2867 Remote Management Options 22 Document LTRT 55201 Application Note Remote Management Options 3 2 2 3 LAN Status Table 3 11 InternetGatewayDevice LANDevice 1 LANEthernetinterfaceConfig 1 Stat Parameter BytesReceived BytesSent PacketsReceived O PacketsSent 3 2 2 4 VolP Status via TR 104 Value Table 3 12 InternetGatewayDevice Services VoiceService 1 VoiceProfile 1 Line 1 Stats Parameter ResetStatistics PacketsSent PacketsReceived BytesSent BytesReceived PacketsLost Overruns Underruns IncomingC
6. 168 1 1 MaxAddress 192 168 1 254 MinAddress 192 168 1 1 SubnetMask 255 255 255 0 Version 2 6 x 2 8 0 19 September 2008 a fag AudioCodes MP 20x Series 3 2 1 3 Configuring VolP via TR 104 Table 3 5 InternetGatewayDevice Services VoiceService 1 Capabilitie Parameter ButtonMap DSCPCoupled EthernetTaggingCoupled FaxPassThrough FaxT38 MaxLineCount MaxProfileCount MaxSessionCount MaxSessionsPerLine ModemPassThrough NumberingPlan PSTNSoftSwitchOver Regions RingGeneration RTCP RTPRedundancy SignalingProtocols SIP SRTP ToneGeneration VoicePortTests Value Table 3 6 InternetGatewayDevice Services VoiceService 1 Capabilities Codecs Parameter Codec EntrylD PacketizationPeriod Value G 729 1 60 40 30 20 10 Remote Management Options 20 Document LTRT 55201 Application Note Remote Management Options Table 3 7 InternetGatewayDevice Services VoiceService 1 VoiceProfile Parameter Value DTMFMethod rfc2833 Enable Enabled Name Line 1 300 NumberOfLines 1 Table 3 8 InternetGatewayDevice Services VoiceService 1 VoiceProfile 1 Sl Parameter Value OutboundProxy OutboundProxyPort 5060 ProxyServer 10 33 4 204 ProxyServerPort 5060 ProxyServerTransport udp RegisterExpires 3600 RegistrarServerTransport UDP UserAgentPort 5060 UserAgentTransport UDP 3 2 1 4 Upgrading Firmware via TR 069 TR 069 contains a built in mechanism for CPE device firmware upgrade Version 2 6
7. AudioCodes CPE amp Access Gateway Products s i MediaPack Series Telephone Adapters MP 20x Series with Integrated Router Application Note MP 20x Remote Management Options Version 2 6 x 2 8 0 LA AudioCodes Connecting Networks Revision Date MP 20x Version Comments 1 14 August 2008 2 6 x First edition 2 4 September 2008 2 6 x TR 069 added Application Note Contents Table of Contents 1 Introduction CPPCC E E E E AT d Version 2 6 X28 0 NN 3 September 2008 wt AudioCodes MP 20x Series Table 2 1 Main MP 20x C Table 2 2 Status a ice i iceSe VoiceProfi t aa ents Available via MIBAIL sis rne a Ann anA RAE AERAR Remote Management Options 4 Document LTRT 55201 Application Note Notices Notice This document describes the remote management options for AudioCodes MP 20x Telephone Adapter Information contained in this document is believed to be accurate and reliable at the time of printing However due to ongoing product improvements and revisions AudioCodes cannot guarantee accuracy of printed material after the Date Published nor can it accept responsibility for errors or omissions Before consulting this document check the corresponding Release Notes regarding feature preconditions and or specific support in this release In cases where there are discrepancies between this document and the Release Notes the information in the Release Notes supersedes tha
8. Management Options 28 Document LTRT 55201 Application Note Remote Management Options 3 5 Automatic File Download practical straight forward and easy to implement method for mass configuration and firmware update is automatic file download from a remote file server via HTTP FTP or TFTP This method is used by many service providers 3 5 1 Firmware File Download The MP 20x s firmware files contain information about the target product type and the firmware version information See Section 2 2 1 on page 10 for information about the basic mechanism and the type of management interfaces that can be used to trigger firmware file download 3 5 2 Configuration File Download The MP 20x supports two configuration file formats a conf file and an ini file Both files define the same parameters but in a different format the conf file has a hierarchical tree like structure and the ini file is flat defining the full path for each parameter As with the firmware file the configuration file can be pushed to the MP 20x via the Web server or pulled by the MP 20x from a remote server This section refers only to the second option When the MP 20x downloads a file from a remote server it performs the following actions m Decrypts the file if it is encrypted W Checks that the file version is later than the current configuration file version if it is not later the new configuration is not used m Checks the s
9. P 20x maintains a set of status and performance information internally This information or parts of it can be retrieved via the different management interfaces e g Web SNMP or TR 069 The table below describes the status and performance monitoring statistical information available in the MP 20x divided to the main groups Table 2 2 Status and Performance Monitoring Parameters Group Status and Performance Monitoring Parameters Current status information per line Phone state Registration status Source codec and type of current call Packet loss jitter and delay of current call Statistical min max average information Packet loss jitter and delay Out of service e g no registration time Call establishment time INVITE to OK Network Connections Current status information per interface System Connection status Allocated IP address Received and transmitted packets Statistical min max average information Out of service e g link down time Traffic statistics sent received bytes errors Software version information Hardware version information System Up time Available from version 2 8 0 Remote Management Options 12 Document LTRT 55201 Application Note Remote Management Options 223 Alarms Notifications and Logging Instead of periodically polling the MP 20x to obtain its current status the service provider may want the MP 20x to notify abnorma
10. Section 2 describes the configuration and management tasks i e what must be configured and managed in the MP 20x the what The second part Section 3 describes the available configuration and management interfaces and methods the how Version 2 6 x 2 8 0 7 September 2008 A r wt AudioCodes MP 20x Series Reader s Notes Remote Management Options 8 Document LTRT 55201 Application Note Remote Management Options 2 Configuration and Management Tasks 21 Configuration Tasks By default the MP 20x is provided by AudioCodes with factory default settings which are common to all MP 20x devices except for the MAC address The factory settings allows the user to connect to the MP 20x s embedded Web server from the LAN interface By default the WAN interface is configured for DHCP i e automatically obtains its IP address from a DHCP server In the case of PPPoE or other Internet dialers this default configuration will not allow the MP 20x to connect to the Internet The default configuration does not include any VolP service provider settings such as a SIP proxy In some cases AudioCodes can ship MP 20x devices that are pre configured with some customer specific parameters This set of parameters is usually defined as the new factory settings for this specific customer The MP 20x s factory default settings and the current configuration running on the MP 20x are stored on the MP
11. allsReceived IncomingCallsAnswered IncomingCallsConnected IncomingCallsFailed OutgoingCallsAttempted OutgoingCallsAnswered OutgoingCallsConnected OutgoingCallsFailed CallsDropped TotalCallTime ServerDownTime ReceivePacketLossRate FarEndPacketLossRate ReceivelnterarrivalJitter FarEndinterarrivalJitter RoundTripDelay Value Version 2 6 x 2 8 0 23 September 2008 a b wi AudioCodes MP 20x Series Parameter Value AverageReceivelnterarrivalJitter AverageFarEndinterarrivalJitter AverageRoundTripDelay 3 2 3 Security Concerns and Measures The CPE WAN Management Protocol is designed to allow a high degree of security in the interactions that use it The CPE WAN Management Protocol is designed to prevent tampering with the transactions that take place between a CPE and ACS provide confidentiality for these transactions and allow various levels of authentication The following security mechanisms are incorporated in this protocol m The protocol supports the use of SSL TLS for communications transport between CPE and ACS This provides transaction confidentiality data integrity and allows certificate based authentication between the CPE and ACS E The HTTP layer provides an alternative means of CPE authentication based on shared secrets Remote Management Options 24 Document LTRT 55201 Application Note Remote Management Options 3 3 SNMP Simple Network Management Protocol SNMP is used in net
12. er values in the subsequent tables are sample values only taken from an ACS Version 2 6 x 2 8 0 17 September 2008 Ta fag AudioCodes MP 20x Series 3 2 1 Configuring MP 20x via TR 069 and TR 104 TR 069 allows basic configuration of the MP 20x The configuration is defined in a hierarchical tree like structure according to the TR 069 standard 3 2 1 1 Configuring the WAN Interface Table 3 2 InternetGatewayDevice WANDevice 2 WANConnectionDevice 2 WANIPConnection 2 Parameter Value AddressingType DHCP ConnectionStatus Connected ConnectionType IP_Routed DefaultGateway 10 16 0 1 DNSEnabled true DNSOverrideAllowed true DNSServers 10 1 1 11 10 1 1 10 Enable true ExternallPAddress 10 16 2 25 MaxMTUSize 1500 Name WAN Ethernet NATEnabled true PortMappingNumberOfEntries 0 PossibleConnectionTypes IP_Routed RouteProtocolRx Off RSIPAvailable false ShapingRate 1 SubnetMask 255 255 0 0 Uptime 792 Remote Management Options 18 Document LTRT 55201 Application Note Remote Management Options 3 2 1 2 Configuring the LAN Interface Table 3 3 InternetGatewayDevice LANDevice 2 LANEthernetinterfaceConfig Parameter Value Enable true MACAddress 00 90 8F 09 93 DC MaxBitRate 100 Status Disabled Table 3 4 InternetGatewayDevice LANDevice 1 LANHostConfigManagemen Parameter Value AllowedMACAddresses DHCPLeaseTime 3600 DHCPRelay false DHCPServerEnable true DNSServers 192 168 1 1 DomainName home IPRouters 192
13. ess um Itis possible to limit access to SNMP to a trusted peer single IP address or a range of addresses E SNMPvVv3 provides an significant security improvement over SNMPv1 2 Version 2 8 0 will support SNMPv3 and will allow the service provider to configure SNMPv3 security parameters E SNMP traffic can be allowed over an IPSec secured connection check availability with AudioCodes Version 2 6 x 2 8 0 27 September 2008 a WH wi AudioCodes MP 20x Series 3 4 Syslog Syslog is a standard protocol for reporting and logging of messages over IP network and is defined by RFC 3164 The MP 20x enables the service provider to configure a Syslog server and a severity level above which errors are sent to the server Typically only error level messages should be sent to the Syslog server in order not to flood it with irrelevant debug level information For debugging it is possible to temporarily allow logging for debug level messages e g for SIP messages Many free Syslog servers exist including Kiwi Syslog Daemon http www kiwisyslog co m http www kiwisyslog com Refer to Section 2 2 3 on page 12 for information about the existing severity levels and logged events in the MP 20x Note The logged events are being re defined in version 2 8 0 344 Security Concerns and Measures Since Syslog is only used to output messages from the MP 20x it does not contain any security concerns Remote
14. he new firmware can be pulled downloaded by the MP 20x from a remote HTTP FTP or TFTP server Remote Management Options 10 Document LTRT 55201 Application Note Remote Management Options Figure 2 2 Firmware Upgrade Mechanisms Web Interface HTTP FTP TFTP i Firmware Pull MP 20x Non volatile Storage j Main Firmware Recovery Recovery I Firmware The remote firmware download process can be triggered by one of the following m MP 20x checks for a new firmware upon MP 20x restart m MP 20x periodically checks for a new firmware E Manual trigger using CLI TR 069 SNMP or Web Unless forced the MP 20x downloads and upgrades to the new firmware only if its version number is higher than the current firmware version The version number is not taken from the image file name but from the header of the image file Version 2 6 x 2 8 0 41 September 2008 a WH wt AudioCodes MP 20x Series 2 2 2 VoIP Status and Performance Monitoring The ability to remotely monitor the status of the MP 20x is critical to the service provider who wants to support users without having to send a technician on site avoiding the truck roll The service provider may want to know the current status of the MP 20x e g is it registered to the SIP proxy is the phone off hook or some statistical information e g average packet loss during a call The M
15. l events or to send regular reports to a logging server Both options are supported by the MP 20x from version 2 8 0 Table 2 4 shows what interfaces are relevant for alarms and notifications Note that the terms Alarm and Notification represent the same thing The difference between alarm notification and logging is that an alarm is normally used to represent an abnormal event e g registration error while logged events can represent either regular events e g end of call or abnormal events The table below shows the event severity levels defined in the MP 20x Typically events with severity of Error or Emergency are notified in addition to being logged Table 2 3 Severity of Logged Events Severity Description Debug Debug level messages Notice Normal but significant condition Notices requiring attention at a later time Non error conditions that might require special handling Error Recoverable temporary error condition Emergency System is unusable The most severe messages that prevent continuation of operation such as immediate system shutdown The table below shows the available notifications and logged events Table 2 4 Notifications and Logged Events Group Notifications and Logged Events VoIP Notifications Registration error or timeout Logged Events End of call Call Detail Record logging SIP messages logging optional for debugging Network Connections Notifications Security System Connection u
16. management interfaces for example Automatic file download for configuration and firmware updates plus SNMP for alarms Version 2 6 x 2 8 0 15 September 2008 a L wi AudioCodes MP 20x Series 3 1 3 1 1 Embedded Web Server Web GUI The MP 20x provides an embedded Web server with a rich Graphical User Interface GUI The Web server can be accessed from the local LAN interface e g by the home user or from the WAN interface e g by the service provider support personnel The Web GUI provides easy and intuitive configuration of all MP 20x parameters i e VolP network interfaces security QoS and advanced system settings In addition the Web GUI provides status monitoring pages diagnostic pages and enabled firmware upgrade Typically service providers do not want to configure each MP 20x manually and therefore they do not use the Web server in live deployments However the Web server is still useful for um Trying different configurations in the lab during the integration phases m Creating mass configuration template files E Debugging special customer problems by accessing the Web server from the WAN interface Security Concerns and Measures Since the Web server allows all configuration and management operations it is important to protect it The following security measures are available m The Web server is user and password protected Several users can be defined A special user with limited access
17. oftware version with which the configuration file was created if the file was created with a later software version it is not used m Merges the configuration file with the current configuration e Parameters that appear in the new file are modified or added e Parameters that do not appear in the new file remain in their existing value It is recommended that the configuration file that is downloaded from the network contains only the small subset of parameters that the service provider needs to update remotely To create the configuration file it is recommended to use a MP 20x that is restored to the factory settings modify the required parameters using the Web GUI and then upload the configuration file from the MP 20x with the option to get only the modified configuration fields enabled Version 2 6 x 2 8 0 29 September 2008 a L wi AudioCodes MP 20x Series 3 5 3 Security Concerns and Measures The main security hazard in automatic file download is that a hacker can force the MP 20x to download a file from the hacker s server instead of the service provider s legitimate server Another concern is exposing information such as the SIP proxy IP address and user and password information in the configuration file if the hacker is sniffing the network The following security measures are available to prevent this m The configuration file can be encrypted using 3DES with pre configured key This prevents the
18. only to the Quick Setup can be defined The access to the Web server can be blocked from the WAN and or LAN interfaces Access to the Web server can be limited to specific IP addresses Secured HTTP HTTPS is supported It is possible to enable HTTPS only if required The HTTP and or HTTPS port can be modified from the default 80 and 8080 Remote Management Options 16 Document LTRT 55201 Application Note Remote Management Options 3 2 TR 069 and TR 104 CPE WAN Management Protocol TR 069 is a relatively new protocol for managing CPE devices over the WAN interface The standard is published by the DSL Forum TR 069 runs over SOAP HTTP and enables device configuration management including firmware upgrade and status monitoring TR 104 is an extension of TR 069 for VolP configuration and monitoring TR 069 requires a special server on the service providers side called an Auto Configuration Servers ACS The TR standards are published by the DSL forum uW TR 069 http www broadband forum org technical download TR 069 pdf m TR 104 http www broadband forum org technical download TR 104 pdf Figure 3 1 TR 069 CPE WAN Management Protocol The MP 20x was tested for interoperability with two ACS vendors Motive and FriendlyTR69 Working with other ACS types may require specific interoperability effort Additional TR 069 and TR 104 parameters will be implemented in the MP 20x in version 2 8 0 The paramet
19. p down Logged Events Security log configurable Notifications System restart Firmware configuration update Logged Events Debug level logging optional Version 2 6 x 2 8 0 13 September 2008 A r wt AudioCodes MP 20x Series Reader s Notes Remote Management Options 14 Document LTRT 55201 Application Note Remote Management Options 3 Remote Configuration and Management Interfaces The following interfaces are available on the MP 20x for remote configuration and management m Web server GUI over http https refer to Section 3 1 on page 16 TR 069 and TR 104 refer to Section 3 2 on page 17 SNMP refer to Section 3 3 on page 25 Syslog refer to Section 3 4 on page 28 Firmware or configuration file download via HTTP HTTPS FTP TFTP refer to Section 3 5 on page 29 H CLI over Telnet SSH refer to Section 3 6 on page 31 The table below lists the possible operations over these different interfaces Table 3 1 Operations per Configuration Management Interface Operation Web GUI TR 069 SNMP Syslog File D L CLI Configuration Update Yes Yes Yes No Yes Yes Firmware Upgrade Yes Yes Yes No Yes Yes Status Monitoring Yes Yes Yes No No Yes Performance Monitoring Yes Yes Yes Yes No Yes Alarms and Notifications No Yes Yes Yes No No Debugging and Diagnostics Yes No No Yes No Yes Available only from Release 2 8 0 Service providers can choose to combine several
20. t in this document Updates to this document and other documents can be viewed by registered customers at http www audiocodes com support Copyright 2008 AudioCodes Ltd All rights reserved This document is subject to change without notice Date Published Sep 23 2008 Date Printed Sep 25 2008 When viewing this manual on CD Web site or on any other electronic copy all cross references are hyperlinked Click on the page or section numbers shown in blue to reach the individual cross referenced item directly To return back to the point from where you accessed the cross reference press the ALT and lt keys Trademarks AC logo Ardito AudioCoded AudioCodes AudioCodes logo CTI CTI Squared InTouch IPmedia Mediant MediaPack MP MLQ NetCoder Netrake Nuera Open Solutions Network OSN Stretto 3GX TrunkPack VoicePacketizer VolPerfect What s Inside Matters Your Gateway To VoIP are trademarks or registered trademarks of AudioCodes Limited All other products or trademarks are the property of their respective owners WEEE EU Directive Pursuant to the WEEE EU Directive electronic and electrical waste must not be disposed of with unsorted waste Please contact your local recycling authority for disposal of this product Customer Support Customer technical support and service are provided by AudioCodes Distributors Partners and Resellers from whom the product was purchased For Customer support for products p
21. twork Management System NMS to automate the configuration process For SW version 2 8 0 only the VoIP parameters and the Quick Setup parameters are defined Other parameters e g Security QoS must be configured in other methods or using a special generic set object in the MP20x MIB acMP20xConfigParamPath acMP20xConfigParamValue A special MIB object is defined to allow MP 20x firmware upgrade triggered by SNMP The object acMP20xRemoteUpdate triggers a remote upgrade from the SNMP configured URL Monitoring the MP 20x via SNMP SMNP can be used to monitor the status of the MP 20x VolP related monitoring is performed via the proprietary MIB acMP20x Other parameters are available in the standard MIB II VoIP Monitoring The acMp20xStatus section allows the service provider to get the current MP 20x status The list below shows the available objects acMP20xStatus acMP20xStatusVoIP acMP20xStatusVolPLinesTable acMP20xLinePhoneState on hook off hook ringing acMP20xLineRegistrationState not registered registered registration error acMP20xLineCallsTable acMP20xCallOrigine Incoming outgoing acMP20xCallRemoteNumber Remote phone number acMP20xCallRemoteID Remote SIP ID acMP20xCallDuration Call duration in ms acMP20xCallType Voice Fax Modem acMP20xCallEncoder Tx codec type acMP20xCallDecoder Rx codec type acMP20xCallPacketsSent Number of RTP packets sent acMP20xCallPacketsReceived Number of
22. urchased directly from AudioCodes contact support audiocodes com Abbreviations and Terminology Each abbreviation unless widely used is spelled out in full when first used and only Industry standard terms are used throughout this manual Version 2 6 x 2 8 0 5 September 2008 a b wi AudioCodes MP 20x Series Related Documentation Document Manual Name LTRT 505xx MP 20x Telephone Adapter Release Notes LTRT 506xx MP 20x Telephone Adapter User s Manual LTRT 504xx MP 20x Telephone Adapter Quick Installation Guide Remote Management Options 6 Document LTRT 55201 Application Note Remote Management Options 1 Introduction The MP 20x was designed to be mass deployed by carriers and service providers One of the keys to guarantee end user satisfaction and true toll guality service in mass field deployment is comprehensive remote configuration and management capabilities Out of the box installation at user s site without any manual configuration Automatic and remote configuration updates Automatic and remote firmware updates Remote diagnosis of problems reported by the user Remote collection of statistical information regarding the quality of the service Remote notifications of service problems This Application Note provides a high level overview of all the remote management and configuration options offered by the MP 20x series product line The document is divided into two parts The first part
23. user from learning the format of the file and obtaining information from it E HTTPS can be used to further encrypt the transport HTTPS certificates can be used to allow the MP 20x to authenticate the server and also to prevent the user from acquiring the file from the server Remote Management Options 30 Document LTRT 55201 Application Note Remote Management Options 3 6 Telnet CLI The MP 20x features a Command Line Interface CLI over Telnet The CLI enables the service provider to manage the MP 20x e g reboot force a firmware upgrade to obtain information about the status of the device e g VoIP calls network interfaces version information to change the configuration and to perform different debugging tasks e g enable debug logging enable packet recording Typically the CLI interface is only used for debugging and diagnostics since it does not allow mass configuration and monitoring For additional information about debugging and diagnostic tools refer to LTRT 58201 MP 20x Debugging and Diagnostic Tools Application Note Ver 2 6 1 3 6 1 Security Concerns and Measures Since the CLI allows all configuration and management operations it is important to protect it The following security measures are available m The CLI is user and password protected same as the Web m Telnet access can be blocked from the WAN and or LAN interfaces m It is possible to limit Telnet access to specific IP addresses
24. work management systems to configure and monitor network attached devices SNMP is an IETF standard defined by RFC 1157 1441 and additional RFCs for specific Management Information Base MIBs The MP 20x contains an embedded SNMP agent and supports SNMPv1 SNMPv2 and partially supports SNMPv3 For monitoring of the network interfaces the standard SNMP MIB II RFC 1213 is supported For more options a proprietary MIB will be defined for SW version 2 8 0 by AudioCodes for the MP 20x product line the acMP20x MIB The MIB is divided to the following sections m acMP20xConfig for changing the MP 20x s configuration acMP20xStatus for monitoring the MP 20x s status u acMP20xAlarms for receiving notifications alarms from the MP 20x The figure below shows the SNMP network architecture Figure 3 2 SNMP Network Architecture Customer s EMS NMS SNMP Operations set get get next trap Phone 1 H Phone 2 Version 2 6 x 2 8 0 25 September 2008 a HH wi AudioCodes MP 20x Series 3 3 1 3 3 2 3 3 2 1 Configuring the MP 20x via SNMP The acMP20xConfig MIB section is structured in a similar hierarchy as the MP 20x s Web GUI Each parameter in the MIB has a matching parameter in the Web GUI and a matching parameter in the gateway s configuration file The MIB file defines the valid range and the default value for each parameter Typically the customer will integrate the MP20x MIB into the customer s Ne
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