[SIPForum-discussion] Regarding Call-ID in REGISTER method

[Sam Kirubakaran L]

Hi,


I have a doubt regarding call id in sip. In RFC 3261,

"It SHOULD be the same
   in each registration from a UA" call id should be same for each registration.


But if the same UA is registering to diff Registrars, should the call id be same or different?

If same, then how come the UA will differentiate the responses?


Regards,

Sam
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