[Asterisk-Users] Re: DTMF not sending properly via IAX

[tim panton]

On 12 Jul 2005, at 15:05, Tony Mountifield wrote:

> In article <9e7e0d8a0507120544191f78ea at mail.gmail.com>,
> Mark Edwards <mark.p.edwards at gmail.com> wrote:
>
>>
>> I'd be interested to understand where you read about the 'sequence  
>> numbers'
>> issue.
>> This sounds like it might relate to the problem I am experiencing.
>>  It's either that, or the DTMF is coming inband over the IAX  
>> channel...
>>  ;-)
>>
>
> Well you could try doing a tcpdump to capture the incoming and  
> outgoing
> packets on the IAX port. Use the -w option with -s0, to write the  
> whole
> of each packet to the packet file.
>
> You could then use a recent version of Ethereal to read the packet  
> file
> and analyse it. Apparently, recent versions of Ethereal understand  
> IAX.
> Ethereal is able to save RTP audio streams as audio files - it  
> might be
> able to do the same with IAX audio streams, but I don't know.
>

Having just spent an age getting my head around IAX2 sequence numbers,
I might be able to help here.
If one of you wants to mail me a packet trace I'll see if I can spot  
anything.

Tim.




http://www.westhawk.co.uk/

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