Hi, The from header says that who is the source of the request and the to header says for which AOR the registration is happening. The Registration is of two types.one is self regisrtation and the other is third party registration. In case of third party registration the from and to headers are going to be different.
/Sreenath. ----- Original Message ---- From: Nithyakumar.R <[EMAIL PROTECTED]> To: [email protected] Sent: Thursday, 23 November, 2006 11:30:09 AM Subject: [Sip-implementors] Register message From and TO Hi All, In Register message.. "To" and "From address" are same.It using contact message to Repond back.Any reason behind this why "From" and "To address" are same in register message.. Here From and To both are same..Pls clear my doubt. REGISTER sip:10.18.6.223;Transport=udp SIP/2.0 To:<sip:[EMAIL PROTECTED];User=phone> From:<sip:[EMAIL PROTECTED];User=phone>;tag=ED4D000000000000B7050B01 Contact:<sip:10.18.3.117:5061> Expires:300 Call-ID:[EMAIL PROTECTED] CSeq:1 REGISTER Organization: XXXXX Via:SIP/2.0/UDP 10.18.3.117:5061 User-Agent: XXXXUniphone1.0 Content-Length:0 With Regards, Nithyakumar.R This e-mail and attachments contain confidential information from HUAWEI, which is intended only for the person or entity whose address is listed above. Any use of the information contained herein in any way (including, but not limited to, total or partial disclosure, reproduction, or dissemination) by persons other than the intended recipient's) is prohibited. If you receive this e-mail in error, please notify the sender by phone or email immediately and delete it _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors __________________________________________________________ Yahoo! India Answers: Share what you know. Learn something new http://in.answers.yahoo.com/ _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
