Applications of user-to-user information transfer between...

Multiplex communications – Pathfinding or routing – Switching a message which includes an address header

Reexamination Certificate

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Details

C370S389000

Reexamination Certificate

active

06947420

ABSTRACT:
A telephone connection is complemented with additional information by, after initiating the telephone connection between a transmitting telecommunication device and a receiving telecommunication device, composing, at the transmitting telecommunication device, a signalling message of predetermined form to be transmitted in association with the telecommunication connection. The signalling message contains the additional information. Within the signalling message there is indicated the intended receiving part within the receiving telecommunication device of at least part of the signalling message. The signalling message is transmitted from the transmitting telecommunciation device to the receiving telecomunication device.

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“Digital Cellular Telecommunications System (Phase 2+); User-to-User Signalling (UUS); Service Description, Stage 1”, GSM Technical Specification, GSM 02.87, Version 5.2.1., 1997.

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