Invention Grant
US09043394B2 System and method for transmitting system messages insession initiation protocol 有权
用于发送系统消息禁止发起协议的系统和方法

System and method for transmitting system messages insession initiation protocol
Abstract:
Provided is a system and method to accomplish system messaging in SIP by introducing a new content in the form of MIME body and a new feature tag to the existing SIP framework, for transmitting service specific information and receiving the user response. System Messages may contain a list of possible options and require a response from the user.
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