Speech transmission over mixed networks

Details Speech transmission over mixed networks Speech transmission over mixed networks

H - Electricity

04

L

H04L 12/66 (2006.01) H04W 80/04 (2009.01) H04L 12/64 (2006.01) H04L 29/06 (2006.01)

Patent

CA 2353944

The invention is concerned with transmission of speech information over mixed networks, particularly over a segment using packet transmission in an otherwise circuit switched data transmission network. According to the invention, PCM transmission lines are connected with a packet based network such as an IP network in such a way, that data from one or more channels of a first PCM transmission line is collected in the payload part of a data packet. Further, the destination address of the data packet is constructed in such a way, that the packet network entity being connected to the second PCM transmission line can determine based on the destination address of the packet, to which channel or channels of the second PCM transmission line the data should be transmitted.

L'invention concerne la transmission d'informations vocales sur des réseaux mixtes, notamment sur un segment utilisant la transmission de paquets dans un réseau de transmission de données à autre commutation de circuits. Selon l'invention, des lignes de transmission MIC (modulation par impulsions et codage) sont connectées à un réseau basé sur des paquets tel qu'un réseau PI de manière que les données provenant d'un ou de plusieurs canaux d'une première ligne de transmission MIC sont collectées dans la partie données utiles d'un paquet de données. De plus, l'adresse de destination du paquet de données est construite de manière que l'entité du réseau à paquets connectée à la seconde ligne de transmission MIC puisse déterminer, sur la base de l'adresse de destination du paquet, à quel canal ou quels canaux de la seconde ligne de transmission MIC les données doivent être transmises.

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