[SIPForum-discussion] how to parse DTMF digits in RTP packet using ethereal

[seshagiri]

Dear All

doubt regarding DTMF

In the actual callflow ,  UAC,Proxy server and UAS  are involved.
when the session established ,  the RTP path is between UAS and UAC .

When i observed about DTMF digits , if UAC entered any digits , it is
reaching
UAS through RTP(no involvement of proxy).

My doubt is how these digits are collected by the proxy server to initiate
another call( for call transfer or call conference feature) ?

regards
sesh



On Tue, Mar 9, 2010 at 2:00 PM, seshagiri <seshgirik at gmail.com> wrote:

>
> Yes
>
> i got it how to do it.
>
> in ethereal trace  v can see RTP packet with payload type as RTP Event
> DTMF,mentioning the digits entered.
>
> regards
> sesh
>
> RFC 2833 RTP Event
>
>
> On Tue, Mar 9, 2010 at 10:51 AM, seshagiri <seshgirik at gmail.com> wrote:
>
>>
>>
>> Dear All
>>
>> how to parse DTMF digits in RTP payload using ethereal?
>>
>> For instance ,
>>
>>  UAC called UAS and finally established session , now UAC wants to do
>> conference
>>
>> or any other feature by dialing DTMF digits.
>>
>> My question is how can i parse these DTMF digits through ethereal traces
>> from RTP packet ? to know wt are the digits entered ?
>>
>> is there anyway to do this ?
>>
>> Thanks & Regards
>> sesh
>>
>
>
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