[asterisk-users] Losing first DTMF digit (with ASR)

[Bryant Zimmerman]

I have seen simalar issues with some audiocodes gear. I adjusted the early 
media options on the pri in the audiocodes gateway and that fixed my 
issues. We have also seen this when calls come in from Level 3 toll free 
some times their gatways screw with things. We found adding an manual 
answer and then a few seconds before the prompts solve the issue. Somthing 
about how Level 3 injects rfc dtmf and some packet time stamp issues.

Bryant

----------------------------------------
 From: kenner at gnat.com (Richard Kenner)
Sent: Tuesday, September 07, 2010 3:56 PM
To: asterisk-users at lists.digium.com
Subject: Re: [asterisk-users] Losing first DTMF digit (with ASR)

> Who is the carrier that the calls are flowing in from?

It's a Paetec PRI into an NEC SV8300, then QSIG from there to Asterisk.

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