[Freeswitch-users] Nuance Speech Server / Vocalizer MRCPv2 mod_unimrcp simultaneous licenses not releasing quickly enough.

[Rob Hutton]

We have a similar situation on a Cisco UCCX platform that we ended up
having to write a script to bounce the services every couple of hours to
clear.  We haven't seen a fix from Nuance yet.

On Mon, Feb 25, 2013 at 2:32 PM, Jason Moran <jmoran at secureachsystems.com>wrote:

>  In connecting to Nuance Speech Server’s MRCPv2 for text-to-speech
> (Nuance Vocalizer) using mod_unimrcp, a single phone call which has several
> different TTS phrases should only use up 1 single simultaneous license.
> However, I am seeing a call use up 2,3,4 (etc) like it is not releasing the
> connection/license.****
>
> ** **
>
> I looked this up and some forums have noted that Nuance “does things
> wrong” and uniMRCP needs to send Nuance the “RTCP BYE” to tell Nuance that
> it is done with the synthesizer speech.  But I tried that, and it still
> eats up the licenses. Within a couple of calls I’m out of TTS ports and the
> calls fail (but they clear again after several more seconds).****
>
> ** **
>
> <!-- enable/disable rtcp support -->****
>
> <param name="rtcp" value="1"/>****
>
> <!-- rtcp bye policies (rtcp must be enabled first)****
>
>      0 - disable rtcp bye****
>
>      1 - send rtcp bye at the end of session****
>
>      2 - send rtcp bye also at the end of each talkspurt (input)****
>
> -->****
>
> <param name="rtcp-bye" value="2"/>****
>
> <param name="rtcp-tx-interval" value="5000"/>****
>
> ** **
>
> Ideas? Experience?****
>
> -Jason****
>
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