User Manual for the OPERA™ Control Center Server
Contents
1. User Manual for the OPERA Control Center Server Software V3 5 OPR 003 CTR X OPR 010 CTR X This information may be subject to change All brand and product names are trademarks and or registered trademarks of their respective owners rights reserved Copyright O 2002 by OPTICOM GmbH www opticom de CONTENTS Contents Contents iim D n SEE de t e ta t en 1 l Preface Ree e etis E ie TITRE TL ees 1 2 Concept Behind the OPERA Control Center eere 2 3 Setting up the OPERA Control Center esee 3 3 1 Venfying the Test Setup RR ee 3 32 Defining the Resources the Phone Book eee 3 3 3 Defining the Testcalls the Commands Table sss 5 3 4 Using Microsoft Access to edit the Database 6 4 Starting and Stopping the Measurement esee 7 S The Result View eie te ette ete ht ege dre dere 8 5 1 The Result File acr ir t Pep RR E HORS 8 5 2 Breezimg Pields e cenEpPRRRRRHBURBERRG OR RE eet 8 5 3 Selecting the Columns to Display eese 9 54 r Filt ring the Results er uci ehe etr C a es 9 5 5 Alerts 2t tret ettet t t Eee ts 10 2 6 Cleaning the Result File i eee eee arcta teils 11 5 7 Averages Functionality eese tenente nnne E 11 5 8 iMeaning of the Results no eene edem ie 11 5 9 Archiving of the Resul2. selected value range will only take effect after you click on the Refresh Chart button 5 11 Printing Results In order to print the result view select the menu option File Print Please setup the page layout from the windows menu Start Settings Printers 5 12 If No Data is Shown Even if the Result File Exists It is rare but it may happen that your result file contains field names different from those expected by the OPERA Control Center e g if you started it with a corrupt result file In this case the OPERA Control center will not show any useful data However it is easy to cope with this select View Reset Field Names from the menu This will synchronize the field names used by the Control Center with those in the result file If this does not help try to clear the result file as described before and then repeat this step and restart the measurement After the first new results are available the new field names will be read from the result file 15 SUMMARY OF THE MENU AND TOOLBAR OPTIONS 6 Summary of the Menu and Toolbar Options An overview of all the menu option of the Control Center is listed in Table 6 1 The functionality toolbar buttons is summarized in Table 6 2 For further details you will find references to the sections in this documentation Menu Option Description FilelNew Creates and opens a new result file see Section 5 1 FilelOpen Opens an existing result file see Section 5 1
3. the data from old databases to the new format using M S Access 7 3 Full and Light Version ofthe OPERA Control Center Software There are two versions of the O PERA Control Center Software available full version and a light version To see which version is currently at your disposal check the title bar of the OPERA Control Center main window The full version is indicated by the string OPERA Control Center the light version is titled O PERA Control Center Light The light version is included in delivery of every OPERA Objective Perceptual Analyzer The light version is restricted for the operation with the localhost only That is you may not remote control other PERA systems than your local analyzer Entries in the Phonebook dialog see Section 3 2 using system names other than localhost will result in non functional commands Please note also the explicit entry of the computer name of the local host will be regarded as invalid in the light version If you want to use the OPERA Control Center to control distributed OPERA analyzers you will have to purchase the full version of the Control Center software O PR 003 CTR X or O PR 010 CTR X 17
4. if you want to perform e g several loop calls on the same interfaces taking different routes through the network which are defined by the telephone number You edit existing entries in the table by simply clicking on them with the mouse If you want to create a new entry click on the Add button and then select the field of the new line that you would like to edit If you are done with editing the table click on the Close button to close the window The underlying database is then updated accordingly To delete an entry in the SETTING UP THE OPERA CONTROL CENTER table select a line and then click on the Delete button You may also select several lines to delete For editing new entries you may also copy and paste a single field or a whole line in the table To copy a single field entry you either select the copy command from the pop up menu that appears on a right click after you selected the entry or you use the key combination Ctrl C to copy and then Ctrl V to paste To copy a whole line or several lines you will first select the line or the lines by clicking on the gray field on the left hand side of the ResourceN ame column Then copy the selection with the key combination Ctrl C When you paste it using Ctrl V the selection will be automatically added to the end of the table In doing so an additional index will be appended to the resource names that have been pasted automatically Please note that only those res
5. m a posit ST SS x 9 2202014421 220000144325 g 9 rere ae 9 22000014 461 3 220000 144847 0 uae Figure 5 1 The main dialog window with the first two columns in freezed mode 5 3 Selecting the Columns to Display 0 cpurederart 0 operado 0 cporedere2re O 0 O pperedurazrt 0 opeaderacnt 0 ceuredera rt 0 0 eerederu re Q cpwredurazrt 0 comedent cpuredera irt 0 conde 0 2 4 O cparaduna o 0 0 cperaderazrt 0 operaderaoe 0 E E 0 0 coperederazrt 0 operae on 0 coeredema 0 cpuradera crt 0 0 cowederady Q cparaduredr 0 zu Maybe the result view of the Control Center will provide you with more information as you actually require If you do not want to see all this information you may select which columns are shown and which ones are hidden Just click on the toolbar button Select Columns and check the appropriate boxes in the dialog that pops up see Figure 5 2 Figure 5 2 The Select Columns dialog window 5 4 Filtering the Results If you want to filter the results which are shown in the table there is the option to generate some filtering rules Two filter types are available the Connection Filter type and the Limit Filter type THE RESULT VIEW Limit Filters will filter out all results where one or seve
6. FilelSave as Save current result file to hard disk see Section 5 1 FilelPage Layout To setup the page layout for printing please use the windows option StartlSettingslPrinters FilelPrint Prints current result view see Section 5 11 FilelExit Exits the OPERA Control Center Filters Apply Connection Filter Filters Apply Limit Filter Applies the connection filter to the result view see Section 5 4 Applies the limit filter to the result view see Section 5 4 Filtersledit Connection Filter FilterslEdit Limit Filter Opens a dialog to edit the connection filter see Section 5 4 Opens a dialog to edit the limit filter see Section 5 4 FilterslAlerts ViewlToolbar Opens a dialog to define a alert functionality see Section 5 5 Switches on off the toolbar ViewlStatusbar ViewlShow Averages Switches on off the statusbar Switches on off the averages functionality ViewlRefresh ViewlReset Field Names Refreshes the result view see Section 4 Synchronizes the field names of the current result file with the result view of the Control Center see Section 5 12 ViewlClear ExtralOptions Clears the current result view and deletes the corresponding result file see Section 5 6 Opens a dialog to specify the archiving functionality see Section 5 9 Table 6 1 Overview of the menu option of the O PERA Control Center Toolbar Button Description
7. executed for the first time If it is a date in the past the system will reschedule the command as defined by the reschedule parameter EndTime This is the time in UTC at which the command will be terminated Repetitions Defines how often a command will be repeated before it is rescheduled Delay This is an optional delay between two command repetitions It is defined in seconds Reschedule Here you may choose when the command will be issued again Drop down list box Table 3 2 Meaning of the columns of the Commands table Note Please note that all times are specified in UTC Universal Time Coordinated in order to use the same time coordinate on measurement systems standing in different time zones D uring winter time standard time UTC is equal GMT Greenwich Mean Time During summertime daylight savings time UTC is GMT 1 To obtain your local time you need to subtract add a certain number of hours from to UTC depending on how many time zones you are away from Greenwich England For the current GMT check the following web site www G reenwichMeanT ime com 3 4 Using Microsoft Access to edit the Database If you are planning to create a large and complicated setup it may be a good idea to use MS Access to edit the tables especially the Phone Book table The Commands as well as the Phone Book table are stored in the file c programme opera databases commandlist mdb You may directly open this database using MS Ac
8. firewall between two OPERA systems some special network settings may be required If everything works fine so far you may start the OPERA Control Center It will come up either with an empty result table if you did not yet perform any measurements or with the result view of the last measurements that have been performed If you haven t performed any test calls with the Control Center yet you will create database entries for all resources you want to use in a first step see Section 3 2 The second step is to create a table with the actual commands as described in Section 3 3 32 Defining the Resources the Phone Book To create the resources required for the commands simply click on the toolbar button Phone Book This will popup a dialog window with a table as shown in Figure 3 1 You may edit existing entries in this table by simply clicking on the fields you want to modify you may add new rows or you may delete existing rows The meaning of the columns of the Phone Book table are explained in Table 3 1 Imagine this resources database as a telephone book Everybody has a name in there ResourceN ame an address SystemN ame Linelnterface and a telephone number PhoneNumber under which you can call the person Each resource may appear in table several times with different resource names just like one person may have several telephone numbers You may also use the same interface with different names and telephone numbers
9. in dBov of the speech parts of the reference signal LevRefBackdBov Level in dBov of the background noise parts of the reference signal LevDegTotdBov Level in dBov averaged over the total of the degraded signal LevDegSpdBov Level in dBov of the speech parts of the degraded signal 12 THE RESULT VIEW LevDegBackdBov Level in dBov of the background noise parts of the degraded signal PesqAttenuation Attenuation of the test signal as measured by PESQ P 862 Table 5 1 The meaning of the columns of the Result View Column Title Description Continued FECmin Minimum amount of Front end clipping FEC FECavg Average of Front end clipping FEC FECmax Maximum amount of Front end clipping FEC HOTmin Minimum amount of Hold over time HOT HOTavg Average of Hold over time HOT HOTmax Maximum amount of Hold over time HOT Errors Errors messages in case of problems Table 5 2 Continuation of the meaning of the columns of the Result View 5 9 Archiving of the Result Files During the execution of test measurements with the Control Center the result file may increase to a size that is not manageable in a comfortable way anymore If you want to separate your results into a number of smaller files select the menu option Extra Options The Control Center will offer you the option to define an archive location on your computer where the result files will be stored during the execution of the
10. systems standing at all important network nodes it can be used on a single O PERA system as well Please note that with the Light version of the OPERA Control Center the software cannot be used to manage a distributed set of OPERA systems If you want to use the OPERA Control Center to control other systems than the local host you will need the full version For more information about this please refer to Section 7 3 in this manual The use of the OPERA Control Center is not limited to telecom applications itis also applicable to wide band audio applications All interface options and all algorithms available for O PERA may be used in conjunction with the OPERA Control Center Typical applications range from monitoring telecom networks up to automatically test broadcast transmission links The OPERA Control Center may also be used for automating tests in an R amp D environment if you do not want to write commandline scripts although we would generally recommend the commandline interface for this purpose since it is significantly more flexible and gives more detailed results In any case all results will be stored in a tab separated text file which can be viewed by the OPERA Control Center itself or imported into any spread sheet data base program or network management system for further analysis THE CONCEPT BEHIND THE OPERA CONTROL CENTER 2 The Concept Behind the OPERA Control Center The OPERA Contro
11. value has been defined After confirming this filter setting by clicking on the OK button the result view will show only those measurements that fulfill the chosen condition To switch this filter on and off use the menu Filters Apply Limit Filter w Set Limits Iof x Filter 2 Fieldname Condition Value 05 k s DR Not Used Not Used Not Used OR Not Used Not Used Not Used Figure 5 4 The Limit Filter dialog window 5 5 Alerts When measuring a system under test with the Control Center you may notify a person in case of a specific problem Therefore you select the menu 10 THE RESULT VIEW option Filters Alerts As shown in Figure 5 5 you will in a first step define a condition for the alert This is done in the Limit Definition section In a second step you will define what action should be executed if the condition defined is fulfilled during the measurement Check the button titled Execute program on alert and enter a program that is to be executed This may bea batch file or as shown in the example setup in Figure 5 5 the Windows network command net send to send a message via an IP network w Set Alerts Xx m Limit Definition Fieldname Condition Value 05 B 3 2 7 OR Not Used Not Used Not Used DR Not Used Not Used Not Used Alert Action v Execute program on alert net send controlpc Alert m Cance
12. 120000142717 n 0 orada ye Li 2 00 C 14 2 1 14 0 24 t 615 15 220010 14 28 DI 15 0 2 pes 2e C 14 23 53 16 0 ogevedewede 1 15 OBNO 02 17 17 0 cperadereznt rns 2 zem 3s 18 0 pet 18 22001014 3638 18 1 215 n 3 T 0 opener JGR 9 200909 14 34 28 a 0 re tes 22 a 220CIC 14 38 zt 22 0 opassen ras 13 9 22000214215 23 Ee S 0619 1 pedi qiia Ru E 0 cparedera irt tes a 0 zere 0 1615 CO 14 5 0 eperedera dy 1 15 zr a 22020214 27 0 tos 3 2020214464 t 0 ta g E ALII 0 cperaderazrt por x 20e 0g 14 423 x 0 220010 144125 a 0 cpmederede 1 615 g 0 201421 0 codes 9 22000214413 0 cowederaiy 1 615 2 2200 DC 14 41 4 0 cearadtura 0 22020210464 0 va 11 1 hyre nmm an Figure 4 1 The OPERA Control Center main dialog window In order to stop the measurement wait until no more commands are scheduled or press on Stop Pressing Stop may take some time since all scheduled commands active as well as sleeping commands must be interrupted which is not possible at all times Sometimes the OPERA Control Center has to wait until a command reaches an interruptible state When all commands are stopped this will be indicated in the status bar of the main window by the status message Inactive During the measurement all results are written to the file
13. 3s country specific Tring Currently not used please ignore Duration Total duration of the call including dialing etc TermCause Termination cause If it is connect the call was successful all other values busy disconnected identify missed call attempts PsqnOMOS W2 The MOS according to PSQM P 861 using a silence weight of 0 2 PsqmPlusOMOS The MOS according to PSQM PsqmDelay The delay in ms as determined by OPERA during calculation of PSQM Attenuation The attenuation of the line in dB EchoDelay The delay of the severest echo component in ms ERL The echo return loss of the severest echo component in dB measured with real speech PesqMOS The MOS according to PESQ P 862 PesqMOSsp PESQ P 862 MOS of the speech parts of the test signal PesqMOSbg PESQ P 862 MOS of the background noise parts of the test signal DelayMin The minimum delay in ms during the call as determined by PESQ P 862 DelayAvg The average delay in ms during the call as determined by PESQ P 862 DelayMax The maximum delay in ms during the call as determined by PESQ P 862 LoudnessRefSone Loudness of the reference signal measured in Sone LoudnessDegSone Loudness of the degraded signal measured in Sone LoudnessBackSone Loudness of the background noise parts of the degraded signal measured in Sone LevRefTotdBov Level in dBov averaged over the total of the reference signal LevRefSpdBov Level
14. Data vs Time Histogram Settings Statistics Select number of bars Total number of values 74 11 Minimum 396 Maximum 420 Total average of values 407 027 From 396 Reset Selection Total standard deviation of values 5 465 Figure 5 7 The PDF chart dialog window The diagram shown in the top of the dialog is the probability density function PDF of the result parameter you have selected The horizontal axis represents the measurement values the vertical axis represents the probability The second diagram presents the measurement result values versus time Here the horizontal axis represents the index in the table of the result file The vertical axis represents the values of the result parameter If you want to change the number of bars shown in the PDF diagram to have a different resolution you can either select a value from the drop down list of the edit field titled Select number of bars or you enter a certain value into the edit box Please note that your changes only take effect after you have pushed the Refresh Chart button located on the bottom of the dialog window If you want to change the value range of the horizontal axis of the PDF diagram modify the setting in the two edit boxes located underneath the tile Select value range When you click the Reset Selection button the edit boxes will be set back to their default settings As explained above the 14 THE RESULT VIEW
15. Start Starts the execution of the commands see Section 4 Stop Stops the execution of the commands see Section 4 Commands Opens the dialog for defining the commands see Section 3 3 Phone Book Opens a dialog to define the resources see Section 3 2 Continue Refresh Continues with refreshing the result view see Section 4 Pause Refresh Refresh Pauses the refreshing of the result view see Section 4 Refreshes the result view once see Section 4 Select Columns Opens a dialog to specify which result parameters are shown the result view see Section 5 3 Table 6 2 Overview of the toolbar buttons options of the O PERA Control Center 16 OTHER ISSUES OF THE CONTROL CENTER 7 Other Issues of the Control Center 7 1 Modifying the Evaluation of the Results It is possible to widely vary the way in which the results are calculated Essentially all options and results that are available through the commandline interface of OPERA are available in the OPERA Control Center too Modifying the settings used by the Control Center however requires modifications of the Windows registry Please contact OPTICOM if you have some specific needs 7 2 A Note to Users of Versions older than V3 5 In all databases the field names have changed and also the result table uses different field names now This was necessary in order to make it consistent with OptiCall and to implement more features We recommend to
16. a 06 0001 162147 1000 0 Inedais p Gy BAID2 C aogane wena DelaudfielFiehLam mo 060201 162142 1000 0 Inredaie F BAD BHID2 06 0201 162147 07 1000 Inedae BAD BAID2 06 00 01 162147 0702031821 47 1000 Inedae F EROI BRID2 C pnogeniewpesDeladfisfileaLsw i 00 01 167147 07002 031821 47 1000 invective BRO BRID2 C irogeaewpesDeladfFisFile Lsw 00 01 162147 0702 037162147 1000 Inredwe BROT BADZ C pogeniewpeadDdwfifie Lsw ww 05020 167147 0700 031652147 1000 D invece BRE 2 C uroawiewowsDeoadfFiwtiliw 06 0201 162147 070003162147 D Inmedara H lecard 1 ki Figure 3 2 The Commands Table dialog window 3 3 Defining the Testcalls the Commands Table After creating a Phone Book table with the available resources you are ready to create a table with the schedule of the test calls Just click on the toolbar button Commands Figure 3 2 depicts the dialog window that will be presented Editing this Commands table works essentially in the same way as editing the Phone Book table The meaning of the columns is explained in Table 3 2 The fields for the originator and the terminator of the call Origin and Termination are drop down list boxes which are automatically filled with the resource names defined in the Phonebook The Reschedule field is a drop down list box as well here you will find
17. cess or any other compatible database application STARTING AND STOPPING THE MEASUREMENT 4 Starting and Stopping the Measurement When you have successfully setup your databases you start the measurement by clicking on the toolbar button Start A dialog window will pop up asking you whether you want to append new measurements to the existing result file or if you wantto create a new result file Then you will be informed in the status bar on the bottom of the main window about the number of currently active and waiting commands The result display is permanently refreshed If you want to stop this automatic refresh click on the toolbar button Pause Refresh and to switch it on again on Continue Refresh If you want to refresh the display manually click on Refresh Figure 4 1 depicts a typical view of the Control Center main dialog window after a measurement has run for a while Sut Presa cok Cortrese Paim Coon 0 1 22200021415 9 0 0 cperederazrt 1 0 1200104184 1 0 operado pen 20000141724 0 eperedera dy UGE 2 a 22000214 18 22 2 0 tos 2200100141315 4 t6 5 110202142100 5 0 cperederazrt tes 0 E 0 TGE 7 221000 14 2158 7 tas p 1 20000142241 0 rae 8 9 2200102142241 5 0 ceerederwre IE D a IMECUIDMWIGUR 10 Q cpuedura2rt 9 120 239 n 0 operador V es 12 a 220200 14 F5 12 opwederadi JOE 13 0
18. e localhost for the local machine LineInterface Index of the interface on the OPERA analyzer defined in SystemName This index is shown in OptiCall if you click on the drop down list box for the interface selection It is the sequential number before the name of the interface PhoneNumber This is the phone number which must be dialed in order to call this resource Comment This is an optional comment which will appear in the result table Table 3 1 Meaning of the columns of the Phone Book table Note SETTING UP THE OPERA CONTROL CENTER If you are using the light version of the OPERA Control Center localhost is the only valid entry for the resource name see Section 7 3 ao resny corned s nto this bet a you M be daad s fex individual iar tiros The syitem vil sdonsically edro d any ies cuneo is for tone re Flaasornora Far allanar ae HUTE pate trol T By doldis a command consuls of tmi which may bera pested often ax imes the clay beleveen mess Macr Commend Ve Mein T Vic Uses hoste vente apne dopo tne bad rto potty 0801 bRIO 2 06 00 01 1621 47 opera Di et rad sn rct 0 Immeckym BAD BRIO C progenmevopecs Ds wi Faden Law ew 06 00 UT 162147 1000 D 9 BADI BAID C progeeriesoperd 06 0007 16 21 42 1009 Inedele p BAT PBRIO2 C orogsne oper
19. ed in the result view of the OPERA Control Center 52 Freezing Fields It is also possible to freeze rows and columns by pulling the border line between the row with the column titles and the results values down with the mouse or pulling the left most border line of the table to the right Therefore move the mouse near to the corresponding line until the mouse symbol turns into a little lock symbol Then you may freeze rows or columns by holding the left mouse button down and move the mouse until all the rows or columns that you wish to freeze are selected The freezed fields will be depicted olive colored For instance if you have freezed the first two columns as shown in Figure 5 1 these columns will not move while you scroll to the right in the result view If you want to unfreeze fields you should move the mouse near to a line between a freezed and a non freezed area of the result table The mouse symbol will turn into the lock symbol again and you will be able to select a new freeze area THE RESULT VIEW 1 1 0 2 2 n 3 3 5 a neru zene were 7 22004219 Lj a 22001042241 a 0 220000142141 10 a 20214247 n 0 ZRRWAJ 12 2202144227 0 u 22 00 e 14 20 11 15 220010 14 28 16 220000142359 on 17 18 0 19 a 2200013 9 zerera E 0 2A 2 a 2200 DC 14 208 ot 23 0 2202010815 22000014318 m 0 Zeuam 0 PEENED zx a 1700 22000014444
20. entries as e g Every Monday or Immediately When you click on a Filename field in the table a small button will appear on the right edge of the field Use this button to browse for files on your computer As described for the phone book table you may copy and paste a single field or a whole line in the table To copy a single field entry you either select the copy command from the pop up menu that appears on a right click after you selected the entry or you use the key combination Ctrl C to copy and then Ctrl V to paste To copy a whole line or several lines you will first select the line or the lines by clicking on the gray field on the left hand side of the Enable column Then copy the selection with the key combination Ctrl C To paste itinto the table use the combination Ctrl V SETTING UP THE OPERA CONTROL CENTER Column Title Description Enable Check the box in order to activate the command Inactive commands will not be executed during the measurement Comment This is an optional comment which will appear in the result table Origin Select the interface on which you want to originate the call Drop down list box Termination Select the interface on which you want to terminate the call Drop down list box Filename Name of the wave file with the speech sample which is sent from the terminating side to the originating side StartTime This is the time in UTC at which the command will be
21. l DK Figure 5 5 The Alerts dialog window 5 6 Clearing the Result File If you want to delete all the results before starting a new series of measurements select the menu View Clear and confirm the warning which pops up with a click on yes If you want to archive the results you should copy the result file to a safe location before The default location for the result file is c programme opera databases results txt As mentioned in Section 5 1 you may choose a different location on your computer where you want to store the result file 5 7 The Averages Functionality As a default the Averages functionality is switched on in the Control Center If this option is activated the results are divided into groups The groups are defined according to the very first column in the result view Within these groups all result values are averaged and the average values are shown in yellow colored lines above every group If you prefer a simpler view of the results switch off the average of the result values Just use the menu View Show Averages to toggle between the two modes 5 8 Meaning of the Results Table 5 1 gives an overview of the results which are shown in the result view of the OPERA Control Center Depending on your current licenses and system configuration not all of these parameters may be available on your system e g if you have not purchased PESQ the PESQ result values will not be availab
22. l Center consists of two modules which access the remote controlled OPERA systems through remote procedure calls The first module is the graphical user interface GUI which is used to create and edit entries in the command database From the command database the system creates some control files which are handed over to the dispatcher module The dispatcher module does the real work and takes care of the allocation of all required resources before a test call is issued It locks the interfaces which are required for a test call and keeps them locked throughout the test call This will effectively block all other commands and also manual access e g the use of OptiCall to theses resources Commands which require such a locked resource will be delayed until the resources are free again Due to this locking mechanism there may be several OPERA Control Centers and O ptiCall applications active on the network In order to keep the maintenance of the system easy there are two different tables used to form the command database contains the description of the available resources on the network Phonebook see Section 3 2 and another one consists of the actual test commands see Section 3 3 The first table is used to assign an alias name for each combination of an OPERA system the chosen interface and the associated telephone number The second table then uses these alias names to define the originator and the
23. le in the result view as a consequence Most measured parameters correspond to values determined by O PERA Please refer to the OPERA manual for a detailed description 11 THE RESULT VIEW Column Title Description Comment The comment which is related to the command CommentO The comment which is related to the originating resource CommentT The comment which is related to the terminating resource Origin The resource name of the interface which originated the call Termination The resource name of the interface which terminated the call Index A sequential index of the test measurements Time Time in UTC at which the command was started RepCount Counts the repetitions of the command MaxRep Corresponds to Repetitions in the command definition CallingSys Name of the system that originated the call Calling Line Index of the line interface used to originate the call CalledNumber Telephone number dialed CalledSys Name of the system that terminated the call Called Line Index of the line interface used to terminate the call RefFile The name of the file which was sent from the terminating side to the originating side FileCaller The name of the file which was recorded at the originating side degraded signal FileCalled The name of the file which was recorded at the terminating side echo signal Tpdd Post dial delay in ms including the time required to detect the ring back tone app 2
24. ource names may be deleted or modified which are not currently used in the Commands table im Phonebook ici x Imagine this resource list as a phone book You should enter all resources on your network which you want to use for test calls After editing this list you will use only the alias name entered in the field ResourceName in order to address a specific telephone line Imagine the ResourceName as the name of a person in your phone book The field SystemName is the network name of the OPERA System on which the interface is located This is equivalent to the street name in the phone book analogy The field PhoneNumber should contain the telephone number which is associated to this resource as in a real phone vom The field Comment finally is optional it appears in the result file and may be used for sorting the result view ResourceName SystemName Linelnterface PhoneNumber Comment BRIO 1 localhost 5 1614 BRID 2 localhost 6 1615 City localhost 7 12345 City 1 040300888 0 99999 City 2 040300999 0 78554 POTS 1 localhost 0101 POTS 2 localhost 1 102 POTS 3 localhost 2 103 localhost Add Delete Close Record 1 Figure 3 1 The Phone Book dialog window Column Title Description ResourceName Name under which you want to address this resource in the command table SystemName Computer name of the OPERA analyzer where the interface is located May also b
25. ral parameters are exceeding a user definable limit Connection filters will allow you to filter the results depending on which resources have been involved to originate and terminate the call For both filter types you may combine several simple filters using Boolean AND O R operators in order to form complex filters If you want to specify a Connection Filter use the dialog that appears after clicking on the menu Filters Edit Connection Filter The Connection Filter dialog is shown in Figure 5 3 For each Condition and Resource Name option there are drop down fields available When you confirm your filter selection with the OK button the filter condition is immediately applies on the result view To switch this filter on and off use the menu Filters Apply Connection Filter Filter 1 Condition Resource Name Condition Resource Name Origin AND Termination Used Not Used OR Not Used Not Used AND Termination Used Not Used DR Not Used Not Used AND Termination Not Used Not Used Cancel DK Figure 5 3 The Connection Filter dialog window In order to specify a Limit Filter use the dialog that appears after clicking on the menu Filters Edit Limit Filter This dialog allows you to select the parameters which shall be filtered by drop down list boxes and to specify the limits by editing a regular edit field Figure 5 4 shows an example where a threshold for the PESQ MOS
26. t Files tnter 13 5 10 Viewing Statisti6s zii see to tto e ei E Re REIR 14 15 5 12 If No Data is Shown Even if the Result File Exists eee 15 6 Summary of the Menu and Toolbar Options eene 16 74 Other I5Su68 52 eu nU RU IP PU DC 17 7 1 Modifying the Evaluation of the Results sse 17 7 2 A Note to Users of Versions older than V3 5 sss 17 7 3 Full and Light Version of the OPERA Control Center Software 17 PREFACE l Preface This document is meant as a completion to the user manual of the O PERA measurement system It describes the OPERA Control Center Server Software OPR 003 CTR X OPR 010 CTR X Before you start reading this documentation you should already be familiar with the PERA system in general The purpose of the OPERA Control Center is to schedule test calls and the evaluation of speech quality parameters between various O PERA systems and to remote control these systems through a TCP IP connection It allows the user to create complex schedules consisting of up to some hundred commands without having to think about the synchronization and allocation of the resources Commands may be automatically repeated and rescheduled after a certain time e g every Monday Although the OPERA Control Center was originally designed for the automated monitoring of telecom networks with PERA
27. terminator of the test calls This means if the name of a system or just the telephone number changes it is not required to adapt the entire command schedule the relevant interface may be used a hundred times there instead just the single database entry which defines the alias name of the relevant interface has to be modified SETTING UP THE OPERA CONTROL CENTER 3 Setting up the OPERA Control Center 3 1 Verifying the Test Setup Before starting to use the OPERA Control Center all systems should be booted and if they are not members of the same Windows NT domain logged on with the same user name and password If you did not modify any settings on the OPERA systems they will all automatically log you on after booting them It is generally a good idea to verify the correct setup by issuing a few test calls manually using OptiCall from the machine on which the OPERA Control Center is installed If it is not possible to establish a call using OptiCall it will also not be possible to do so using the OPERA Control Center If there are problems at this stage already please verify your network settings and the proper connection to the telephone network If the call succeeds if it is issued from OptiCall running on the OPERA system where the interfaces are installed the reason is probably due to the network setup Please consult your local network administrator or O PTICOM in this case Especially if you are using a
28. test measurements As shown in Figure 5 6 you will define an archiving interval If you want to switch off the archiving functionality enter the value zero into this edit box The archived result files are stored in the directory that is defined in the edit field on the top of the dialog Move results to If you want to use unique file names for the archiving check the switch located underneath the edit box for the archiving interval If you choose not to use unique file names the archived result file will remain the file name shown in the title bar of the main window and will be overwritten in each archiving process As a default the test WAVE files that are acquired during the execution are stored in the directory d remote When you do not wan to store these files on your computer check the switch titled Delete wave files after evaluation which will prevent that your hard disk will run out of free memory during the execution of a large number of test measurements Figure 5 6 The O ptions dialog window for archiving result files 13 THE RESULT VIEW 5 10 Viewing Statistics In order to view some statistics of certain result values shown in the result view first select a result value by clicking somewhere into the corresponding column Then by a right mouse click select the option Show Chart a dialog window as shown in Figure 5 7 will pop up Opera Control Center PDF Ea PDF of DelayAvg 5 a
29. which is indicated in the title bar of the main dialog window of the OPERA Control Center Further information about the result file and the result view in the main dialog you will find in the next section THE RESULT VIEW 5 The Result View The result view is the table which is drawn in the main dialog window of the PERA Control Center see Figure 4 1 It presents the contents of the result file which was created during the measurement You may drag the columns with the mouse in order to change their sequence and you may modify the sort order by clicking into the heading of any column Please note that between column 6 and 7 there is border which splits the table into two parts Since the first six rows are used for grouping the rows you are not allowed to drag a column from the left part of the table to the right part and vice versa 5 1 The Result File During the measurement the results are written in the file that is shown in the title bar of the main dialog window As a default the results are stored in c programme opera databases results txt This is the file which is opened every time when you start Control Center If you want to open another result file choose the menu option File Open To create a new result file select the menu option File New You may as well save the current results in another file therefore select the menu option File Save as The chosen file will immediately be open
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