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US5943403A Customized, billing-controlled call bridging system 失效
定制的计费控制呼叫桥接系统

Customized, billing-controlled call bridging system
摘要:
Method and apparatus for providing customized, billing-controlled call bridging services through a bridging node which includes a node interface for connection through incoming and outgoing telephone trunks to a carrier switch of a public switched network, an audio peripheral for recording, playing, and analyzing audio signals, and a node controller for controlling operation of the node interface and the audio peripheral.
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