What is RFC 3261 SIP?

What is RFC 3261 SIP?

RFC 3261 SIP: Session Initiation Protocol June 2002 sent from the server to the client. If the request is INVITE and the final response is a non-2xx, the transaction also includes an ACK to the response.

What is the transport parameter in RFC 3261?

Rosenberg, et. al. Standards Track [Page 149] RFC 3261 SIP: Session Initiation Protocol June 2002 The transport parameter determines the transport mechanism to be used for sending SIP messages, as specified in [ 4 ]. SIP can use any network transport protocol.

What is 3261 SIP-Session Initiation Protocol?

RFC 3261 SIP: Session Initiation Protocol June 2002 When a 100 (Trying) response is generated, any Timestamp header field present in the request MUST be copied into this 100 (Trying) response. If there is a delay in generating the response, the UAS SHOULD add a delay value into the Timestamp value in the response.

What is the target refresh request for SIP 3261?

RFC 3261 SIP: Session Initiation Protocol June 2002 INVITE, the only target refresh request defined is re-INVITE (see Section 14 ). Other extensions may define different target refresh requests for dialogs established in other ways.