Related specifications
draft-ietf-sipping-service-examples-12.txt, Session Initiation Protocol Service Examples, available at http://www.ietf.org/
RFC 3261, SIP: Session Initiation Protocol, available at http://www.ietf.org/
ETSI TS 183 004 PSTN/ISDN simulation services: Communication Diversion (CDIV); Protocol specification V1.1.1, available at http://www.etsi.org
Implementation notes
Section 21.1.3 of RFC 3261 is supported by recognising the response 181, ‘Call Is Being Forwarded’, answer.
Section 21.3.2 of RFC 3261 is supported by recognising the response 301, ‘Moved Permanently’.
Section 21.3.3 of RFC 3261 is supported by recognising the response 302, ‘Moved Temporarily’. Response 300 is handled as an error, while responses 301 and 302 are redirected to the requested URI.
Response 302, ‘Moved Temporarily’ is used in the MT forwarding case.