[Sip-implementors] RFC 3840 updating RFC 3261

hello, By reviewing RFCs I came with that question: RFC 3840, section 9 says: The following production updates the one in RFC 3261 [1 ] for contact-params: contact-params= c-p-q / c-p-expires / feature-para

[Sip-implementors] SIP 302

hey, i'm new into to list, so don't be too rude with the rookie :) Here's my question. We're about to implement SIP 302 into our stack. By looking at the RFC 3665 ( https://tools.ietf.org/html/rfc3665#section-3.6 ), I see a re-INVITE goes to proxy P3 (F4 in the flow) with the same CallID. Due to