IMS相关

和IMS相关的有很多协议：

• IMS相关协议
  • RFC 1889 Real-time Transport Protocol (RTP)
  • RFC 2327 Session Description Protocol (SDP)
  • RFC 2748 Common Open Policy Server protocol (COPS)
  • RFC 2782 a DNS RR for specifying the location of services (SRV)
  • RFC 2806 URLs for telephone calls (TEL)
  • RFC 2915 the naming authority pointer DNS resource record (NAPTR)
  • RFC 2916 E.164 number and DNS
  • RFC 3261 Session Initiation Protocol (SIP)
  • RFC 3262 reliability of provisional responses (PRACK)
  • RFC 3263 locating SIP servers
  • RFC 3264 an offer/answer model with the Session Description Protocol
  • RFC 3310 HTTP Digest Authentication using Authentication and Key Agreement (AKA)
  • RFC 3311 update method
  • RFC 3312 integration of resource management and SIP
  • RFC 3319 DHCPv6 options for SIP servers
  • RFC 3320 signalling compression (SIGCOMP)
  • RFC 3323 a privacy mechanism for SIP
  • RFC 3324 short term requirements for network asserted identity
  • RFC 3325 private extensions to SIP for asserted identity within trusted networks
  • RFC 3326 the reason header field
  • RFC 3327 extension header field for registering non-adjacent contacts (path header)
  • RFC 3329 security mechanism agreement
  • RFC 3455 private header extensions for SIP
  • RFC 3485 SIP and SDP static dictionary for signaling compression
  • RFC 3574 Transition Scenarios for 3GPP Networks
  • RFC 3588 DIAMETER base protocol
  • RFC 3589 DIAMETER command codes for 3GPP release 5 (informational)
  • RFC 3608 extension header field for service route discovery during registration
  • RFC 3680 SIP event package for registrations
  • RFC 3824 using E164 numbers with SIP

以及其他相关内容。