Arrangement for multiple custom calling

Details Arrangement for multiple custom calling Arrangement for multiple custom calling

H - Electricity

04

M

344/14

H04M 3/56 (2006.01) H04Q 11/06 (2006.01)

Patent

CA 1186039

TITLE AN ARRANGEMENT FOR MULTIPLE CUSTOM CALLING ABSTRACT The arrangement described herein provides for simple control and minimal program impact of a central office switching system for interfacing multiple custom calls. This arrangement employs a few simple trunks connected in a loop around configuration. The arrangement shown considers the connection of a three way calling subscriber, who is a non-control party in a second custom caller's three way call, to another telephone subscriber.

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