NetLink e340/h340/i640 Wireless Telephone SIP User Agent: Features and Standards Part Number: 72-1089-01 Issue C
SpectraLink Corporation SIP User Agent: Features and Standards Notice SpectraLink Corporation has prepared this document for use by SpectraLink personnel and customers. The drawings and specifications contained herein are the property of SpectraLink and shall be neither reproduced in whole or in part without the prior written approval of SpectraLink, nor be implied to grant any license to make, use, or sell equipment manufactured in accordance herewith.
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SpectraLink Corporation 3. SIP User Agent: Features and Standards RFC 3261 Compliance Feature Transport: UDP UDP retransmit timers UDP multicast TCP TLS IPv6 Fatal transport errs treated as 503 responses. Loop detection Method processing: Unsupported method response Include “Allow” with all INVITEs Include “Supported” with all INVITEs Include “Accept” with all INVITEs Forked calls per RFC 3264 405 response to recognized but unsupported method. OPTIONS method resp should have Accept header.
SpectraLink Corporation 4. SIP User Agent: Features and Standards SIP Extensions Extension RFC 3262 Reliability of provisional responses (PRACK, RSEQ, RACK) “Require” header, 421 responses draft-ietf-sip-serverfeatures-05 “Diversion” header, diversion indication. Draft-levy-sipdiversion-04 SIP session timer. Session-Expires, Min-SE, “Refresher=”. draft-ietf-sip-session-timer-13 UPDATE method. RFC 3311 REFER method, “Replaces” header, call transfer, RFC 3515.
SpectraLink Corporation 5. SIP User Agent: Features and Standards Media Support Feature Session Description Protocol: v, o, s, t, m, c lines Reject session if any lines unrecog v=0 Session id is NTP timestamp IP=0.0.0.0 as hold indicator ‘sendonly’ as hold indicator ‘rcvonly’ response to ‘sendonly’ IPv6 Telephone Event Signaling: RFC 2833 RFC 2833 dynamic payload type Inband DTMF Events signaled INFO message signaling Audio Codecs: G.711 u-law (10, 20, 30, 60) G.711 A-law (10, 20 , 30, 60) G.
SpectraLink Corporation 6. SIP User Agent: Features and Standards Supported Methods Method ACK BYE CANCEL INFO INVITE MESSAGE NOTIFY OPTIONS PRACK REFER REGISTER SUBSCRIBE Received? Yes Yes Yes, only for INVITE method Yes, body ignored Yes No Yes Yes Yes Yes No No, implicit subscriptions only UPDATE No Part Number: 72-1089-01-C.
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SpectraLink Corporation Header To Unsupported User-Agent Via Warning WWW-Authenticate Part Number: 72-1089-01-C.
