Telephone adapter and telephone system providing multiple...

Details Telephone adapter and telephone system providing multiple... Telephone adapter and telephone system providing multiple...

H - Electricity

04

M

H04M 1/723 (2006.01) H04M 7/00 (2006.01) H04M 1/725 (2006.01) H04M 3/00 (2006.01) H04M 3/46 (2006.01) H04M 9/02 (2006.01) H04N 7/16 (2006.01) H04Q 7/00 (2006.01)

Patent

CA 2368092

An adapter (42) for connecting a telephone (52) to a telephone wire (40) has a subscriber line interface circuit (SLIC 113) with a jack for connecting a telephone to the SLIC, a line interface (110) for coupling to a telephone line, a signaling circuit (111) coupled to the line interface for receiving and providing subscriber line signaling on the telephone line, a codec (112) coupled to the SLIC, performing a voice coding/decoding function; and a timing circuit (202) for time multiplexing and demultiplexing of digitized voice signals between the SLIC and the line interface.

L'invention porte sur un adaptateur (42) reliant un téléphone (52) à une ligne (40) téléphonique comportant: un circuit interface de ligne d'abonné (SLIC 113) muni d'un jack reliant le téléphone au SLIC; une interface (110) de ligne de raccordement à une ligne (40) téléphonique; un circuit de signalisation (111) relié à l'interface de ligne et recevant et émettant des signaux de ligne d'abonné sur la ligne téléphonique; un codec (112) relié au SLIC et assurant des fonctions de codage/décodage de la voix; et un circuit de synchronisation (202) assurant le multiplexage/démultiplexage temporel des signaux vocaux numérisés entre le SLIC et l'interface de ligne.

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