Inter-network line level adjustment method and system

H - Electricity – 04 – B

Patent

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Details

H04B 3/20 (2006.01) H04M 3/00 (2006.01) H04M 3/40 (2006.01) H04M 3/36 (2006.01) H04M 7/00 (2006.01)

Patent

CA 2373943

An inter-network line level adjustment system includes a switch (SW1) and a processing unit (24) for identifying calls between a remote telephone network and a local telephone network. Echo cancellers (20) and/or speech coders (22) collect line level data associated with the identified calls. The processing unit (24) determines statistical properties of the collected line level data. Finally, the processing unit (24) instructs the echo cancellers (20) and/or speech coders (22) to adjust, based on the determined statistical properties, line levels of future calls between the remote telephone network and the local telephone network to a desired line level.

Ce système d'ajustement de niveau de ligne inter-réseau comporte un commutateur (SW1) et une unité de traitement (24) servant à identifier des appels entre un réseau téléphonique à distance et un réseau téléphonique local. Des compensateurs d'écho (20) et/ou des codeurs de la parole (22) recueillent des données de niveau de ligne associées aux appels identifiés. L'unité de traitement (24), qui détermine des propriétés statistiques de ces données de niveau de ligne recueillies, commande aux compensateurs d'écho (20) et/ou aux codeurs de la parole (22) d'ajuster, en fonction des propriétés statistiques déterminées, les niveaux de ligne d'appels à venir entre le réseau téléphonique à distance et le réseau téléphonique local au niveau de ligne désiré.

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