Inventors:
Robert C. Webber - Glendale AZ
Assignee:
GTE Automatic Electric Labs Inc. - Northlake IL
International Classification:
H04Q 1104
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.
