[SIPForum-discussion] Problem DTMF

[Vinicio Callejas]

Dear, thank you very much for your valuable help. I inform them my problem
this solved.
Apparently the terminator team has no support with RFC2833.

Thanks a lot!
Vinicio


2014-02-14 20:39 GMT-06:00 Vinicio Callejas <vinicio.callejas at gmail.com>:

> Dear, thanks for your answers
> Yes we are using an MVTS II as BSC in the middle and it has RFC2833
> enabled but the question is why is that DTMF do not pass, supposely
> originator also has it but for some reason DTMF are not passing.
>
>
>
> Thanks a lot!
> Vinicio
>
>
> 2014-02-14 19:27 GMT-06:00 qcorba <qcorba at gmail.com>:
>
> If your device returns 200 without telephone-event, it does not support
>> DTMF using RFC2833. Please check how to enable that.
>>
>> Vinicio Callejas <vinicio.callejas at gmail.com> 於 2014年2月15日星期六 寫道：
>>
>> I have a problem on an interconnection DTMF with a client which sends
>>> RFC-2833 (telephone-event) and our team will respond with a 183-progress
>>> session and 200OK message with no (telephone-event).
>>> THEREFORE, it is Assumed That You are INBAND dtmf. This would not be
>>> reliable with G729 codec.
>>>
>>> As far as i see  has RFC2833 but for some
>>> reason customer says did not receive the telephone-event on the 183
>>> session
>>> progress or 200ok messages sent by.
>>>
>>>
>>> Could someone explain how to solve this problem.
>>>
>>> Very thanks,
>>> Vinicio
>>>
>>
>
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