Author: John
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VoIP Gateways Explained
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Basic Function of a VoIP Gateway A VoIP gateway provides the interface between the IP telephony network and the conventional public switched telephone network (PSTN). For example, a gateway can be used to link a VoIP call to a PRI-30 ISDN trunk, a BRI two channel ISDN circuit or an analogue line. In fact, a gateway can be used as the interface between any disparate telephony protocols. It might provide the bridge between analogue and digital…