Telephone call on hold service for a party placed on hold by ano

Details Telephone call on hold service for a party placed on hold by ano Telephone call on hold service for a party placed on hold by ano

1996-07-26

1999-02-23

Tsang, Fan S.

Telephonic communications

Audio message storage, retrieval, or synthesis

379 76, 379 77, 379 8801, 379 8811, 379201, 379207, 379211, 379212, 379393, H04M 164, H04M 342

Patent

active

058752315

ABSTRACT:
An on hold telephony service that allows a party placed on hold, if he is a subscriber to the service, to also place the call on hold and then hang up. The on hold service can be implemented on a central office switch or an enhanced services platform connected to the switch. The on hold service is accessed by the party placed on hold, i.e., subscriber, through a transfer function that causes the call to be maintained by the on hold service. When the party who originally placed the call on hold returns to the call, the on hold service informs him that the service will then call the subscriber so that both parties can be reconnected.

REFERENCES:
patent: 4757525 (1988-07-01), Matthews et al.
patent: 5325421 (1994-06-01), Hou et al.
patent: 5557658 (1996-09-01), Gregorek et al.

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