[Sip-implementors] Drawing call flows
Dear SIP-people, As a computerscience student from Belgium, I'm trying to write a SIP implementation for my thesis. Next to the implementation of course, I will have to write a text about it. I will need to put a lot of call-flows in that document and I was wondering if there existed programs that are good specifically at generating call-flow diagrams. For those of you who have either one of the books SIP Demystified from Gonzalo Camarillo or SIP: understanding the Session Initiation Protocol from Alan B. Johnston: i like the graphics and call-flows from those books. Does anybody know about a good program that runs on Linux to make that kind of graphics? I already know xfig and dia, but as far as I know, they don't have specific support for drawing call-flows like the ones I mean. I was just wondering if there existed special tools for that, or if i really have to draw them line by line... Tnx, Bart -- Ing. Bart Vandewoestyne Bart.Vandewoestyne_at_pandora.be Hugo Verrieststraat 48 GSM: +32 (0)478 397 697 B-8550 Zwevegem http://users.pandora.be/vandewoestyne -- Any fool can know, the point is to understand. - Albert Einstein ___ Sip-implementors mailing list [EMAIL PROTECTED] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
[Sip-implementors] Multiple Refers in One Request?
Is there a way to issue multiple Refers in one request? ___ Sip-implementors mailing list [EMAIL PROTECTED] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
RE: [Sip-implementors] Drawing call flows
The program CallFlow http://www.voice2sniff.org/callflow/ reads Ethereal network traces and makes simple H.323 call flow diagrams. I should not be too difficult to adapt it to SIP... - Jerry -Original Message- From: Bart Vandewoestyne [mailto:[EMAIL PROTECTED]] Sent: Tuesday, February 18, 2003 8:40 AM To: [EMAIL PROTECTED] Subject: [Sip-implementors] Drawing call flows Dear SIP-people, As a computerscience student from Belgium, I'm trying to write a SIP implementation for my thesis. Next to the implementation of course, I will have to write a text about it. I will need to put a lot of call-flows in that document and I was wondering if there existed programs that are good specifically at generating call-flow diagrams. For those of you who have either one of the books SIP Demystified from Gonzalo Camarillo or SIP: understanding the Session Initiation Protocol from Alan B. Johnston: i like the graphics and call-flows from those books. Does anybody know about a good program that runs on Linux to make that kind of graphics? I already know xfig and dia, but as far as I know, they don't have specific support for drawing call-flows like the ones I mean. I was just wondering if there existed special tools for that, or if i really have to draw them line by line... Tnx, Bart -- Ing. Bart Vandewoestyne Bart.Vandewoestyne_at_pandora.be Hugo Verrieststraat 48 GSM: +32 (0)478 397 697 B-8550 Zwevegem http://users.pandora.be/vandewoestyne -- Any fool can know, the point is to understand. - Albert Einstein ___ Sip-implementors mailing list [EMAIL PROTECTED] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors ___ Sip-implementors mailing list [EMAIL PROTECTED] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
Re: [Sip-implementors] Multiple Refers in One Request?
No - you can only specify one resource in the Refer-To header field. It would be a pretty heavyweight extension to support multiple targets - each one would spawn its own implied subscription, so you'ld have to have some way to tell the NOTIFYs apart. And then you get into the confounding of requests problem that we really try to avoid. How do you express that you accept the REFER for some of the targets but not others? Do you have to wait for user authorization on all of them before you can start acting on any of them? What if you, as the referror want to require that the referree use either all or none of the contacts? There's more of course... RjS On Tue, 2003-02-18 at 10:59, Taylor David-FDT015 wrote: Is there a way to issue multiple Refers in one request? ___ Sip-implementors mailing list [EMAIL PROTECTED] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors ___ Sip-implementors mailing list [EMAIL PROTECTED] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
[Sip-implementors] Re: SIP implementation
Thanks to all those who replied to my earlier question. I'm looking for source code for a SIP client. Any pointer to that will be very much appreciated. thanks, Ali ___ Sip-implementors mailing list [EMAIL PROTECTED] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
[Sip-implementors] SDP confusion
Hi, List,
In rfc 2833 ,DTMF event use the same port as audio.
the SDP will like this:
v=0
o=jade 2890844526 2890842807 IN IP4 11.11.2.2
s=POI Seminar
i=A Seminar on how to make Presentations on the Internet
u=http://www.ee.org
c=IN IP4 11.11.2.2/127
m=audio 49170 RTP/AVP 0 101//101 is the payload type for DTMF
enent.
a=rtpmap:0 PCMU/8000
a=fmtp:101 0-15 // we only support 0-15 event.
Can the remote side read that the other side supports RFC 2833?
Best Regards,
Jade
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[Sip-implementors] FW: SDP confusion
Hi, List, In rfc 2833 ,DTMF event use the same port as audio. the SDP will like this: v=0 o=jade 2890844526 2890842807 IN IP4 11.11.2.2 s=POI Seminar i=A Seminar on how to make Presentations on the Internet u=http://www.ee.org c=IN IP4 11.11.2.2/127 m=audio 49170 RTP/AVP 0 101//101 is the payload type for DTMF enent. a=rtpmap:0 PCMU/8000 a=fmtp:101 0-15 // we only support 0-15 event. Can the remote side read that the other side supports RFC 2833? Best Regards, Jade ___ Sip-implementors mailing list [EMAIL PROTECTED] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
