Communication terminal apparatus

Details Communication terminal apparatus Communication terminal apparatus

H - Electricity

04

L

344/28

H04L 12/56 (2006.01) H04L 12/00 (2006.01)

Patent

CA 1334866

A communication terminal apparatus connected to a communication network through a data channel for transfer of such data as line transaction data or packet transaction data and through a signal channel for control of a call to a communication destination party. Communication terminal apparatuses including such a communication terminal apparatus are connected to the communication network and subscriber numbers are usually previously designated, as identification data, to all subscribers of the communication network and as necessary, address data (referred to as subaddresses) arbitrarilyset among some of these subscribers are attached to the some subscriber numbers. These subscriber numbers and subaddresses are transmitted and received through the signal channel separately from transaction data transmitted and recieved through the data channel. The present apparatus fundamentally performs predetermined control operations which includes the following a) to c), depending on whether or not the then received subscriber number (subaddress, if necessary) coincides with one of the previously registered subscriber numbers (subaddresses): a) Grants or rejects the reception of the associated transaction data. b) Automatically transmits the assocaited transaction data to another communication terminal. c) Displays such auxiliary data such as previously registered subscriber's name corresponding to the subscriber number.

609075

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