[SIPForum-discussion] Access URL in SIP Invite

Amit Salunkhe amitsalunkhe21 at gmail.com
Sun Oct 23 12:53:41 UTC 2011

Dear All,

I want to know more about Access-URL header in SIP invite message.

1. what is use of this header
2. is this present in Invite or re-invite only?
3. is there any configuration which deals with this header in SIP clients or
4. I found proxy's and SBC's not supporting this header in re-invite? what
is reason behind this?
5. what is exact format of this header?

Thanks & Regards
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