[SIPForum-discussion] reg. SIP OutBound

[jayaram]

Hi Ranjit,

 Presence of "Outbound" tag in Require header of response to REGISTER message indicates the Capability/Support of the Outbound feature support by Registrar/Proxy and it is not bound/related with Outbound froxies (EP1/EP2).

So, if registration through EP1 did not support outbound, then even if Registration is tried out with EP2, REGISTRAR would not firm two bindings for EP1 and EP2. Depending on Registrar policy, either EP1 binding or EP2 binding will be available but not both.

SO,in my openion, if the registration through EP1 did not support outbound, registration through EP2 is not require .



________________________________
From: ranjit reddy <ranjitreddib at yahoo.co.in>
To: "discussion at sipforum.org" <discussion at sipforum.org>
Sent: Friday, August 12, 2011 9:22 AM
Subject: [SIPForum-discussion] reg. SIP OutBound


Hi All,

as per RFC 5626, in page 15
"Similarly, if the registration through EP1 did not support outbound, the UA might not register with EP2 at all."

could some one highlight me on when there is a need to REGISTER with EP2 which supports OB.
The RFC says it might not register with EP2 at all, meaning we can or not.
any use case where there is a need to REGISTER with EP2 and not try with EP1 itself with out OB.

Thank you,
Ranjit
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