Richie - check your DTMF timestamps. For our particular app, I was never able
to use a DTMF digit adhoc - i.e. use the same DTMF 2 PCAP file in misc areas.
I ended up recording our entire call and extracting the order of the DTMF rtp
traffic and played in order in which I saved them. I would never use the same
DTMf pcap file twice; so, if I had to enter a 2 at the beginning of the call
and a 2 later in the call, those would be different pcap files.
This worked for me and saved me a very similar headache I had about a year ago
- i think timestamps were the issue (since playing a pcap file with older
timestamps AFTER one with a later timestamp).
> Date: Mon, 12 Jul 2010 18:18:58 +0100
> From: richie.jar...@netdev.co.uk
> To: sipp-users@lists.sourceforge.net
> Subject: [Sipp-users] Strange Behaviour of SIPp DTMF pcap...
>
> Hi All,
>
> I've been playing today with sending DTMF digits to our conferencing
> app. When I sent in the digits 23423672#, the app only saw 2367#.
> After scratching my head for a long while, I decided to call myself and
> see what I heard.
>
> I setup SIPp to call via our SIP Trunk to my phone, so that I could
> listen to the DTMF sent.
>
> Sending 22222222#
> Heard 2
>
> Sending 12345678#
> Heard 12345678#
>
> Sending 22345678#
> Heard _2345678# (_ is a pause)
>
> Sending 23423672#
> Heard 23___67_# (_ is a pause)
>
> Is anyone else seeing similar weirdness when stringing a series of DTMF
> digits together?
>
> Thanks in advance,
>
> Richie
>
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