This section describes how the Yealink SIP-T46G IP phones comply with the IETF definition
of SIP as described in RFC 3261.
This section contains compliance information in the following:
RFC and Internet Draft Support
SIP Request
SIP Header
SIP Responses
SIP Session Description Protocol (SDP) Usage
The following RFC’s and Internet drafts are supported:
RFC 1321—The MD5 Message-Digest Algorithm
RFC 2327—SDP: Session Description Protocol
RFC 2387—The MIME Multipart / Related Content-type
RFC 2976—The SIP INFO Method
RFC 3261—SIP: Session Initiation Protocol (replacement for RFC 2543)
RFC 3262—Reliability of Provisional Responses in the Session Initiation Protocol (SIP)
RFC 3263—Session Initiation Protocol (SIP): Locating SIP Servers