Ring network implemented by telephony switches and links

Details Ring network implemented by telephony switches and links Ring network implemented by telephony switches and links

2005-01-04

2005-01-04

Tieu, Benny (Department: 2642)

Telephonic communications

Plural exchange network or interconnection

C379S230000, C379S265020, C370S403000, C370S524000

Reexamination Certificate

active

06839419

ABSTRACT:
A system for using an under-utilized data channel for carrying additional data, in a network mode. One such channel is the D-channel in the ISDN system. In one implementation, a group of telephone call centers share data, using the D-channel, about the lengths of time incoming callers must wait before being answered. Using the shared data, the call centers collectively route incoming calls to call centers having smaller waiting times.

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patent: 5754639 (1998-05-01), Flockhart et al.
patent: 5761412 (1998-06-01), Higgins
patent: 5912887 (1999-06-01), Sehgal
Newton's Telecom Dictionary, Version 14, p. 799, Mar. 1998.

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