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SYSTEM AND METHOD FOR INTEGRATING CONVENTIONAL ENTERPRISE COMMUNICATION SYSTEMS INTO AN IP MULTIMEDIA SUBSYSTEM-BASED SERVICES ENVIRONMENT
SYSTEM AND METHOD FOR INTEGRATING CONVENTIONAL ENTERPRISE COMMUNICATION SYSTEMS INTO AN IP MULTIMEDIA SUBSYSTEM-BASED SERVICES ENVIRONMENT
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机译:将传统企业通信系统集成到基于IP多媒体子系统的服务环境中的系统和方法
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摘要
A system and method for integrating conventional enterprise communication systems into an IMS-based services environment are disclosed. In one embodiment, when a call request is received for a call between first and second local users of a PBX, the PBX determines whether a class of service for either the first or second local user is for Exposed Local Call (ELC) processing. If so, then call information is routed through a Session Initiation Protocol (SIP) core network that is coupled to an Internet Protocol Multimedia Subsystem (IMS) server to provide IMS services to the call.
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