Integrated telephone switching apparatus for fully integrating m

Details Integrated telephone switching apparatus for fully integrating m Integrated telephone switching apparatus for fully integrating m

1996-12-06

1998-11-24

Tsang, Fan S.

Telephonic communications

Audio message storage, retrieval, or synthesis

Multilingual system or operation

379225, H04M 164

Patent

active

058418393

ABSTRACT:
An integrated telephone switching apparatus is operative for interconnecting a plurality a PBX's to a single voice mail system. The integrated switching apparatus includes a plurality of input ports for accepting calls from the voice mail extensions of different PBX's, a plurality of output ports for directing the calls to a the voice ports of a voice mail system, and a switching circuit for switching the calls from input ports to the output ports. The switching apparatus further includes a switching control system for controlling the switching of the incoming calls from the input ports to the output ports. The control system receives call information from the PBX's via a digital data connection, or by DTMF means, matches each set of call information with an associated call, creates a new set of call information for each of the calls when each of the calls is switched from one of the input ports to one of the output port, and supplies the new set of call information to the voice mail system when the call is switched so that the voice mail system can answer the call and play the required greeting. The key operating feature of the switching control system is the fact that all of the voice mail ports are dynamically allocated during use. By dynamically allocating the voice mail ports, the number of voice mail ports can be reduced to about half the number of incoming voice mail extensions.

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