Method and system for implementing multimedia ring back tone service and multimedia caller identification service

An apparatus for implementing Multimedia Ring Back Tone, MRBT, services, comprising:

• an MRBT call receiving unit, adapted to receive a call request from a calling User Equipment, UE, where the call request carries a called UE identifier, and an early session supporting, Early-Session, capability identifier and reliable responses capability identifier of the calling UE;
• and
• an MRBT negotiating unit, adapted to determine that a called UE is an MRBT service subscriber according to the called UE identifier, determine that the calling UE supports MRBT early media according to the Early-Session capability identifier and the reliable responses capability identifier of the calling UE, negotiate the MRBT early media with the calling UE, and send a notification signal after successful negotiation to notify play of an MRBT.

A method for implementing Multimedia Caller Identification, MCID, services, comprising:

• receiving a call request from a calling User Equipment, UE, where the call request carries a calling UE identifier and a called UE identifier;
• and
• determining that the calling UE is an MCID service subscriber according to the calling UE identifier, determining that a called UE supports MCID early media according to the called UE identifier, negotiating the MCID early media with the called UE, and playing a MCID to the called UE after successful negotiation.

An apparatus for implementing Multimedia Caller Identification, MCID, services, comprising:

• a receiving unit, adapted to receive a call request from a calling User Equipment, UE, where the call request carries a calling UE identifier and a called UE identifier;
• and
• a first negotiating unit, adapted to determine that the calling UE is an MCID service subscriber according to the calling UE identifier, determine that a called UE supports MCID early media according to the called UE identifier, negotiate the MCID early media with the called UE, and play a first notification signal after successful negotiation to notify play of a MCID.