Yealink T42S

Appendix
590
 RFC 4730—Event Package for KPML
 RFC 5009—P-Early-Media Header
 RFC 5079—Rejecting Anonymous Requests in SIP
 RFC 5359—Session Initiation Protocol Service Examples
 RFC 5589—Session Initiation Protocol (SIP) Call Control – Transfer
 RFC 5630—The Use of the SIPS URI Scheme in SIP
 RFC 5806—Diversion Indication in SIP
 RFC 5954—Essential Correction for IPv6 ABNF and URI Comparison in RFC 3261
 RFC 6026—Correct Transaction Handling for 2xx Responses to SIP INVITE Requests
 RFC 6141—Re-INVITE and Target-Refresh Request Handling in SIP
 draft-ietf-sip-cc-transfer-05.txt—SIP Call Control - Transfer
 draft-anil-sipping-bla-02.txt—Implementing Bridged Line Appearances (BLA) Using Session Initiation Protocol (SIP)
 draft-anil-sipping-bla-03.txt—Implementing Bridged Line Appearances (BLA) Using Session Initiation Protocol (SIP)
 draft-ietf-sip-privacy-00.txt—SIP Extensions for Caller Identity and Privacy, November
 draft-ietf-sip-privacy-04.txt—SIP Extensions for Network-Asserted Caller Identity and Privacy within Trusted Networks
 draft-levy -sip-diversion-08.txt—Diversion Indication in SIP
 draft-ietf-sipping-cc-conferencing-03.txt—SIP Call Control - Conferencing for User Agents
 draft-ietf-sipping-cc-conferencing-05.txt—Connection Reuse in the Session Initiation Protocol (SIP)
 draft-ietf-sipping-rtcp-summary-02.txt—Session Initiation Protocol Package for Voice Quality Reporting Event
 draft-ietf-sip-connect-reuse-06.txt—Connection Reuse in the Session Initiation Protocol (SIP)