Yealink SIP-T19 E2 T4 Series, Administrator'S Manual

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Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series IP Phones
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Appendix H: SIP (Session Initiation Protocol)
This section describes how Yealink 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
RFC and Internet Draft Support
The following RFC’s and Internet drafts are supported:

RFC 1321—The MD5 Message-Digest Algorithm

RFC 1889—RTP Media control

RFC 2112—Multipart MIME

RFC 2327—SDP: Session Description Protocol

RFC 2387—The MIME Multipart/Related Content-type

RFC 2543—SIP: Session Initiation Protocol

RFC 2617—Http Authentication: Basic and Digest access authentication

RFC 2782—A DNS RR for specifying the location of services (DNS SRV)

RFC 2806—URLs for Telephone Calls

RFC 2833—RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals

RFC 2915—The Naming Authority Pointer (NAPTR) DNS Resource Record

RFC 2976—The SIP INFO Method

RFC 3087—Control of Service Context using SIP Request-URI

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

RFC 3264—An Offer/Answer Model with the Session Description Protocol (SDP)

RFC 3265—Session Initiation Protocol (SIP) - Specific Event Notification

RFC 3266—Support for IPv6 in Session Description Protocol (SDP)

RFC 3310—HTTP Digest Authentication Using Authentication and Key Agreement (AKA)

RFC 3311—The Session Initiation Protocol (SIP) UPDATE Method

RFC 3312—Integration of Resource Management and SIP