SpectraLink i640 - Manual (Page 6)

SpectraLink Corporation SIP User Agent: Features and Standards
4. SIP Extensions
Extension Supported?
RFC 3262 Reliability of provisional responses (PRACK, RSEQ,
RACK)
Yes
“Require” header, 421 responses
draft-ietf-sip-serverfeatures-05
No
“Diversion” header, diversion indication. Draft-levy-sip-
diversion-04
No
SIP session timer. Session-Expires, Min-SE, “Refresher=”.
draft-ietf-sip-session-timer-13
No
UPDATE method. RFC 3311 No
REFER method, “Replaces” header, call transfer, RFC 3515.
draft-ietf-sipping-service-examples-06
Yes
Message waiting indication. NOTIFY, SUBSCRIBE, draft-mahy-
sip-message-waiting-04. draft-ietf-sipping-mwi-02.
Yes, simple-message-summary is processed per
proxy.
Dialog event package. Draft-ietf-sipping-dialog-package-03. Partial. No subscription to dialogs.
Caller identity and privacy. “Remote-Party-Id” header. Draft-
ietf-sip-privacy-04
No
SIP Privacy. “Privacy”, “P-Asserted-Identity”, “P-Preferred-
Identity” headers. RFC 3325, RFC 3323
No
“Reason” header. RFC 3326 No
SIP Offer-Answer model. RFC 3264 Yes
Locating SIP servers. RFC 3263 No
Specific Event Notification. SUSCRIBE, NOTIFY methods.
“Event” header. RFC 3265
Yes. Does not accept SUBSCRIBE requests for dialog
events. Implicit subscriptions only for call transfer.
Basic network media services.
Draft-burger-sipping-netann-08
No
Third-party call control 3pcc best current practice. RFC 3725 Partial
Registration event package. RFC 3680 No
Presence event package. RFC 3586.
Presence Info Data Format. RFC 3863
No
“Replaces” header.
draft-ietf-sip-replaces-05
Yes
Multi-MIME support. RFC 2387 No
Part Number: 72-1089-01-C.doc Page 6