Time and charges information delivery for operator assistance te

Details Time and charges information delivery for operator assistance te Time and charges information delivery for operator assistance te

1989-07-31

1991-08-27

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

379 96, H04M 322

Patent

active

050439839

ABSTRACT:
A time and charges information delivery arrangement is disclosed utilizing an intelligent telecommunications station (intelligent phone) for displaying that information after a termination of a call. The intelligent phone is equipped to handle CCITT (International Consultative Committee for Telephone and Telegraph) standard Layer 3 (Q.931) call control messages defined for message associated user-to-user information (MA-UUI), and is connected to a central telephone office switching system via an integrated services digital network (ISDN) basic rate interface (BRI). After an operator assistance call is terminated, the operator assistance system that processed the call sends a Q.931 SETUP message to the intelligent phone over an ISDN signaling channel (D-channel). The message includes a data block, comprising time and charges information. When the intelligent phone receives the message, it ignores the call setup request, and simply displays the information sent in the message. Thus, without any action by an operator, a public telephone customer receives time and charges information for the terminated call, without establishing a new call (B-channel call) between the operator assistance system and the intelligent phone.

REFERENCES:
patent: 3364313 (1968-01-01), Scheinman
patent: 3484560 (1969-12-01), Jaeger, Jr. et al.
patent: 4656624 (1987-04-01), Collins et al.
patent: 4797910 (1989-01-01), Daudelin
patent: 4897865 (1990-01-01), Canuel
patent: 4897870 (1990-01-01), Golden
patent: 4899375 (1990-02-01), Bauer et al.

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