[Blink] Blink - DTMF problem

Saúl Ibarra Corretgé saul at ag-projects.com
Mon Dec 23 09:11:07 CET 2013

On Dec 21, 2013, at 6:34 PM, Jarosław Teterycz <Jarek at jtk.com.pl> wrote:

> I can't connect with some numbers using Blink. After debugging the problem with VOIP provider the finding is that Blink is using for DTMF only codec (payload) 96 so if the other party asks for use 101 connection can't be made. There is need to extend number of codecs Blink can use for DTMF. As far as I know 101 is very common.

Payload types >= 96 are the so called "dynamic" and every user agent is free to choose whichever they want. DTMF doesn't necessarily need to be 101. What SIP server are you connecting to?

Saúl Ibarra Corretgé
AG Projects

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