[SIPForum-discussion] calling SIP Methods like INVITE, ACK........

[Broussard, Dan]

To say what methods are supported are in your Session Description Protocol message.

See sample below;

04/30/08 14:11:09:459373 SIP INVITE dalnbs -> 198.144.34.100
INVITE sip:+18663XXXX at XXX.XXX.34.100:5060 SIP/2.0
Via: SIP/2.0/UDP X.X5.12.98:5060;branch=z9hG4bK02B0d4f59c978bb649d
From: <sip:+14138100116 at 12.98:5060;isup-oli=0>;tag=gK020dad0d
To: <sip:+18773070490 at 198.144.34.100:5060>
Call-ID: 133202_2462 at XXX12.98
CSeq: 17612 INVITE
Contact: <sip:+14138100116 at 4.55.12.98:5060>
Accept: application/sdp, application/isup, application/dtmf, application/dtmf-relay,  multipart/mixed
Supported: 100rel
P-Asserted-Identity: <sip:+14138100116 at xxx12.98:5060>
Max-Forwards: 70
Allow: INVITE,ACK,CANCEL,BYE,PRACK,UPDATE
Content-Disposition: session; handling=required
Content-Type: application/sdp
Content-Length: 302

-----Original Message-----
From: discussion-bounces at sipforum.org [mailto:discussion-bounces at sipforum.org] On Behalf Of andre heller
Sent: Monday, September 20, 2010 10:31 AM
To: discussion at sipforum.org
Subject: [SIPForum-discussion] calling SIP Methods like INVITE, ACK........

Hi,
right now I am reading about SIP and doing some research of how it works. It fascinated me and I started to write some simple text based SIP message for making a simple sip client to work. For this how can I include and call the SIP methods like INVITE, ACK, OPTION, BYE and so on. I am planning to write it on TCP IP stack. Pardon if my question is too abstract. But I am here to learn a lot from you guys!
Regards,
Andre
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