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Beginner

Cisco Unity Connection Voice Mail Messages Gets Cut Off After 60 sec from External Callers

We are running Cisco Unity Connection 9.2.1 and when external callers try and leave a message the call ends after 60 secs.  We have CUBE IOS Version Denali 16.2.1.  In Unity the maximum message length is set to 300 secs but that does not seem to make a difference.   We are running only SIP/SIP trunks, we do not have any gateways.

1 ACCEPTED SOLUTION

Accepted Solutions
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Beginner

What is happening is the

What is happening is the called leg is not sending any RTP packets but the RTCP report interval is still running and if it does not detect anything for the configured amount of time it will end the call, which is why the calls were dropping after only 60 secs.  

===========================================================================================================

Here is how I fixed it:

On CUBE run the following command:

router(config)#ip rtcp report interval [time in milliseconds]

router(config)#gateway
router(config-gateway)#timer receive-rtcp [value]

***INFO - The 'timer receive-rtcp' value argument (or Mfactor) is multiplied with the interval that is set using the 'ip rtcp report interval' command.


Also if you recieve this error,

"timer media-inactive dsp based detection is already configured and it takes precedence
unconfigure timer media-inactive to enable non dsp based detection to take effect"

you will have to disable the 'timer media-inactive' command
router(config-gateway)#no timer media-inactive

Example
-----------

router(config)#ip rtcp report interval 12000
router(config)#gateway
router(config-gateway)#timer receive-rtcp 5

This will allow 60 secs before the call will be cutoff. 12000 msec x 5 = 60000 msec / 1000 = 60 sec


router(config)#ip rtcp report interval 60000
router(config)#gateway
router(config-gateway)#timer receive-rtcp 5

This will allow 300 secs or 5 mins before the call will be cutoff. 60000 msec x 5 = 300000 msec / 1000 = 300 sec


References:
---------------------------

http://docwiki.cisco.com/wiki/Cisco_IOS_Voice_Troubleshooting_and_Monitoring_--_Media_Inactive_Call_Detection


http://www.cisco.com/c/en/us/td/docs/ios/12_2/12_2x/12_2xb/feature/guide/ftsiprtp.html#wp1039389


https://supportforums.cisco.com/discussion/11586206/call-drops-after-25-30-seconds-exactly-need-some-help-ccie-guys

1 REPLY 1
Highlighted
Beginner

What is happening is the

What is happening is the called leg is not sending any RTP packets but the RTCP report interval is still running and if it does not detect anything for the configured amount of time it will end the call, which is why the calls were dropping after only 60 secs.  

===========================================================================================================

Here is how I fixed it:

On CUBE run the following command:

router(config)#ip rtcp report interval [time in milliseconds]

router(config)#gateway
router(config-gateway)#timer receive-rtcp [value]

***INFO - The 'timer receive-rtcp' value argument (or Mfactor) is multiplied with the interval that is set using the 'ip rtcp report interval' command.


Also if you recieve this error,

"timer media-inactive dsp based detection is already configured and it takes precedence
unconfigure timer media-inactive to enable non dsp based detection to take effect"

you will have to disable the 'timer media-inactive' command
router(config-gateway)#no timer media-inactive

Example
-----------

router(config)#ip rtcp report interval 12000
router(config)#gateway
router(config-gateway)#timer receive-rtcp 5

This will allow 60 secs before the call will be cutoff. 12000 msec x 5 = 60000 msec / 1000 = 60 sec


router(config)#ip rtcp report interval 60000
router(config)#gateway
router(config-gateway)#timer receive-rtcp 5

This will allow 300 secs or 5 mins before the call will be cutoff. 60000 msec x 5 = 300000 msec / 1000 = 300 sec


References:
---------------------------

http://docwiki.cisco.com/wiki/Cisco_IOS_Voice_Troubleshooting_and_Monitoring_--_Media_Inactive_Call_Detection


http://www.cisco.com/c/en/us/td/docs/ios/12_2/12_2x/12_2xb/feature/guide/ftsiprtp.html#wp1039389


https://supportforums.cisco.com/discussion/11586206/call-drops-after-25-30-seconds-exactly-need-some-help-ccie-guys

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