[Asterisk-biz] DTMF issues with MCI SIP termination.

[Shidan]

Sergey, if you are using g729 thats the problem, ask them to change
you to tdm termination and ulaw and it will probably work, but then
again be prepared for really high rates. If you are colo'ing at 151 I
can get you pure tdm termination for north america, and proper dtmf
everywhere included Russia with comparable rates to mci's gold rates.
Give me a ring sometime.

----
Shidan

On 12/20/05, Sergey Kuznetsov <asterisk_biz at deeptown.org> wrote:
> Hi there,
>
> Does anyone had an issue with DTMF codes passing via MCI SIP trunks?
>
> For me it doesn't work at all. I analyzed RTP traffic and it doesn't
> show any presence
> of RTP payload 101 even if peers negotiated about this via SIP messages.
> And I don't hear any
> DTMF codes sounds when I pass it thru MCI.
>
>
> Respectfully,
>
> Sergey.
>
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