IMS network access using legacy devices
作者： Yigang Cai , Simon Xu Chen , Ivy Qingfang Meng , Bill Xiang Yu Qian , Eric Xiaoming Zhao
DOI:
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摘要: A communication network is described that allows legacy devices to access an IMS network. The includes a switching system, network, and non-IMS system subscriber database pre-provisioned with identities of subscribers using devices. When in operation, calling party places call through device. receives the accesses based on identifier (e.g., phone number, URL, etc) determine if subscriber. If subscriber, then routes not
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