Only thing I can think is that your INVITE does not have 'Allow' header. Some UAs do not validate whole SIP message -- they just take out relevant information to call. etc.
-suheel ----------------- Suheel Hussain ----- Original Message ----- From: "m. smadi" <[EMAIL PROTECTED]> Date: Monday, September 20, 2004 4:54 pm Subject: [Sip-implementors] SNOM 200 phone > i am tryig to write a mini python script that invites other sip > phone. > my script successfully invited kphone and xlite, but i cannot > invite > snom 200 > > I am sending this invite message > > INVITE sip:[EMAIL PROTECTED] SIP/2.0 > Via: SIP/2.0/UDP 192.168.2.8 > CSeq: 4786 INVITE > To: <sip:[EMAIL PROTECTED]> > Content-Type: application/sdp > From: "4001" <sip:[EMAIL PROTECTED]>;tag=4CB6828E > Call-ID: [EMAIL PROTECTED] > Subject: sip:[EMAIL PROTECTED] > Content-Length: 183 > User-Agent: kphone/4.0.3 > Contact: "4001" <sip:[EMAIL PROTECTED];transport=udp> > > v=0 > o=username 0 0 IN IP4 192.168.2.8 > s=The Funky Flow > c=IN IP4 192.168.2.8 > t=0 0 > m=audio 32888 RTP/AVP 0 97 3 > a=rtpmap:0 PCMU/8000 > a=rtpmap:3 GSM/8000 > a=rtpmap:97 iLBC/8000 > > > This works with other phones, but i am getting the following > response > from snom 200: > > SIP/2.0 400 Bad Request > Via: SIP/2.0/UDP 192.168.2.8 > From: "4001" <sip:[EMAIL PROTECTED]>;tag=4CB6828E > To: <sip:[EMAIL PROTECTED]> > Call-ID: [EMAIL PROTECTED] > CSeq: 4786 INVITE > Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, > SUBSCRIBE, > PRACK, MESSAGE, INFO > Allow-Events: talk, hold, refer > Supported: timer, 100rel, replaces > Content-Length: 0 > > Could someone please explain this to me? > > Thanks > M. Smadi > > _______________________________________________ > 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
