Avaya 2 manual Mrcp problems, Checking the server connection, Checking for errors

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Contents

Checking the server connection

See Troubleshooting speech server disconnections on page 37 for a complete procedure on checking and testing the connection.

Checking for errors

To check for errors:

1.Go to the Message Log Report screen (Reports > Message Log Report) and check for messages related to the trouble.

2.Enter the following commands as needed to analyze operations:

―Type trace tsm chan all tee /tmp/trace.out and press Enter to trace all levels of operations for the call.

―Type trace tsm chan date tee /tmp/trace.out and press Enter to trace operations for the identified date. (Trace output will be prefixed by the date and timestamp.)

―Type trace tsm chan VROP tee /tmp/trace.out and press Enter to trace voice response operations specifically.

The trace output from the above commands is sent to the console and to the file /tmp/trace.out.

3.Place a call to the server.

4.Review the trace output for failure indications or error messages and take action to correct the problems.

MRCP problems

This section describes how to find and resolve problems related to the MRCP feature.

MRCP connections and protocols

Avaya IR communicates with MRCP servers using the following protocols:

•Signaling requests for call set-up and tear-down between servers use Real-time Streaming Protocol (RTSP) connections.

•Audio data (speech delivered to an ASR engine for recognition and synthesized speech delivered from a TTS engine) is carried over a Real-time Transport Protocol (RTP) connection.

The two protocols use different ports and port ranges. For IBM WVS servers (and typically other MRCP-compliant vendor engines):

•RTSP uses a base port of 554

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Contents Avaya Interactive Response Issue 1.0 April 2006Documentation disclaimer TCP/IP Facilities Troubleshooting overviewPage Contents Requirements for successful operations Public switched telephone network PstnContents Avaya IR R2.0 TroubleshootingSwitches Voice response applicationsConnections and communications Hardware malfunctions and failures Possible malfunctions and errorsIncorrect system administration System and LAN capacityPacket-based configurations Application errorsConnection and communication problems Circuit-based configurationsIdentifying possible causes of problems Problems Effects ActionsSpeech LAN Troubleshooting procedure Using IR system events Gathering information on a problemReviewing the Display Equipment screen State Meaning Using Sun diagnostic testsMonitoring live operations Checking system historyUsing commands Troubleshooting based on observations― Enter display card all and press Enter Investigating operations problemsCall-handling problems Voice system not answeringCalls dropped Calls dropped at initial promptAll calls dropped Voipcallforcecleared Calls not transferred properlyNo Dtmf tones Wink protocol Touchtone not interpreted correctly Fax problemsTypical fax problems Poor audio quality on VoIP callsInterpreting negative fax values Locating fax errorsFax text or file not found Reviewing fax repair proceduresHost interaction problems Host sessions recover repeatedlyCalls to host dropped Speech and TTS problemsSpeech delayed or cut off No response for application with host interfaceCannot configure speech recognition Speech resource bad or non-configuredAll ports Broken on speech server Speech response delayed Speech server not runningSpeech recognition rejecting many responses Speech not playing Speech recognition not workingMrcp connections and protocols Mrcp problemsChecking for errors Checking the server connectionParameter Description Default Setting Mrcp configuration fileTrue ExampleErratic availability of Mrcp speech resources Mrcp servers are frequently out of serviceServer Name Base Servers Port Numb ASRAutomatic Speech Recognition fails Text-to-Speech output is not heardText-to-Speech problems Select Administrative Tools Select Component ServicesR2.0 Returning TTS resource state to Inserv On the Tree tab, select Services Local System process problemsUnix commands failing or disk errors Execute Unix command failedDatabase problems Checking Jdbc operationsChecking Oracle object size limits Localhostlog.2004-05-07.txt Checking communicationsWord about the Tomcat server log Checking LAN communicationsTypical causes of LAN problems Resources for LAN troubleshootingTroubleshooting speech server disconnections Troubleshooting database server disconnections Troubleshooting persistent server problems Troubleshooting intermittent LAN problemsSpecify the IP time to live for multicast packets Pinging server connectionsMonitoring Ethernet packets Tracing LAN activitiesDisplaying network statistics netstat Detecting incorrect IP addresses arpDisplaying packet route traceroute Sun Blade 150 cable connections Resolving a problem when the monitor does not displayChecking hardware Checking cable connectionsContents Label Function and troubleshooting considerations Sun Fire 280R cable connections Label Function and Troubleshooting ConsiderationsFC-AL Testing platform hardwareChecking NMS card configuration Commands FunctionsChecking card and channel states Restoring Manoos cards and channels Restoring Foos cards and channels Restoring Netoos cards and channelsInspecting the IR system platform Restoring Broken NMS and VoIP cardsChecking card administration Removing and restoring cards Gathering data on card operations Displaying data on NMS cardsDisplaying data on VoIP cards Performing root cause failure analysis Replacing a failed hard disk driveChecking for hard disk drive failures Running the metastat command Spare Okay C1t1d0s1 Removing a failed hard disk driveActivating disk mirroring for a new hard disk drive Enter mirroradmin detachDisabling disk mirroring Restoring the system if both hard disk drives failContents Issue 1.0 April 2006 Page Index Index
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2 specifications

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