| 摘要 |
The present invention provides method, system and apparatus for forking transmission of Short Message Service (SMS) messages in IP Multimedia Subsystems (IMS) networks, where a forking indication indicating whether forking is to be employed is carried in a Session Initiation Protocol (SIP) message in which the SMS message is encapsulated or which carries the content of the SMS message. The method includes: receiving an SMS message, constructing a SIP message in which the SMS message is encapsulated or which carries the content of the SMS message, and which includes a forking indication indicating whether forking shall be employed; sending the SIP message to a Service-Call Session Control Function (S-CSCF) in an IMS network; and determining by the S-CSCF whether forking shall be employed according to the forking indication. The method and system of the present invention enables the control over the SMS message from the Circuit Switched (CS) domain so that the SMS message can be sent through forking in the IMS domain to more than one user terminal.
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