[Ekiga-list] DTMF codecs supported by Ekiga

[Pratiksha Powar]

Thanks for quick response.

What does the PayLoad Type depend on?
Can it be 101 sometimes and 96 sometimes?
Does Ekiga see what kind of PayLoad type is supported by recipient
system and then choose the PayLoad type?



On Mon, 2007-10-01 at 11:44 +0200, Damien Sandras wrote:
> Hello,
> 
> Le lundi 01 octobre 2007 à 15:14 +0530, Pratiksha Powar a écrit :
> > Hi Damein,
> > 
> > Does Ekiga 2.0.9 or above use Codec-96 for DTMF encoding?
> 
> 96 is the payload type. The Payload type is dynamic for RFC2833.
> 
> 
> > Please provide this information as early as possible.
> > 
> > Thanks,
> > Pratiksha
> > 
> > On Fri, 2007-09-21 at 16:00 +0200, Damien Sandras wrote:
> > > Le vendredi 21 septembre 2007 à 14:33 +0530, Pratiksha Powar a écrit :
> > > > Hi Everybody,
> > > > 
> > > > I'm using Ekiga for a corporate project.
> > > > Using Ekiga I connect to a local server in my company which 
> > > > runs voice applications. I want to use Ekiga to test these 
> > > > applications.
> > > > 
> > > > I use sip addresses like 123 at 172.16.18.69 etc.
> > > > The server is unable to understand the DTMF PayLoad because the codec
> > > > used by Ekiga is 101 and the one supported is 96.
> > > > 
> > > > I receive the following error when i run :
> > > > 
> > > > ekiga -d 2 -c 123 at 172.16.18.69
> > > > 
> > > > 2007/09/21 14:28:12.849   0:11.431        SIP Transport:a2de7c8 SDP
> > > > Media attribute rtpmap found for unknown RTP type [pt=96]
> > > > 
> > > > Following is the server's log:
> > > > INVITE sip:123 at 172.16.18.69 SIP/2.0
> > > > Date: Thu, 20 Sep 2007 10:33:47 GMT
> > > > CSeq: 1 INVITE
> > > > Via: SIP/2.0/UDP
> > > > 172.16.18.92:5063;branch=z9hG4bK34ff8fa3-d265-dc11-996c-0019b97d3b5d;rport
> > > > User-Agent: Ekiga/2.0.2
> > > > From: "Pratiksha Powar"
> > > > <sip:root at 172.16.18.92>;tag=2c218fa3-d265-dc11-996c-0019b97d3b5d
> > > > Call-ID: 76188fa3-d265-dc11-996c-0019b97d3b5d at Pratiksha
> > > > To: <sip:123 at 172.16.18.69>
> > > > Contact: <sip:root at 172.16.18.92:5063;transport=udp>
> > > > Allow: INVITE,ACK,OPTIONS,BYE,CANCEL,NOTIFY,REFER,MESSAGE
> > > > Content-Type: application/sdp
> > > > Content-Length: 368
> > > > Max-Forwards: 70
> > > > 
> > > > v=0
> > > > o=- 1190284427 1190284427 IN IP4 172.16.18.92
> > > > s=Opal SIP Session
> > > > c=IN IP4 172.16.18.92
> > > > t=0 0
> > > > m=audio 5004 RTP/AVP 101 114 115 3 107 110 0 8
> > > > a=rtpmap:101 telephone-event/8000
> > > > a=fmtp:101 0-15
> > > > a=rtpmap:114 SPEEX/16000
> > > > a=rtpmap:115 iLBC/8000
> > > > a=rtpmap:3 GSM/8000
> > > > a=rtpmap:107 MS-GSM/8000
> > > > a=rtpmap:110 SPEEX/8000
> > > > a=rtpmap:0 PCMU/8000
> > > > a=rtpmap:8 PCMA/8000
> > > > 
> > > > I don't know much about codecs. 
> > > > Is there a version of Ekiga which can help me solve this problem?
> > > > Currently I'm using Ekiga 2.0.2 on Gnome 2.16.
> > > > Ekiga was a part of the CentOS 5.0 distribution.
> > > > 
> > > 
> > > You should upgrade to at least Ekiga 2.0.9 and upload a full -d 4 output
> > > somewhere. We will check it out.
> > 
> > 
> > ==============================
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