Group call service with efficient transmission of voice...

H - Electricity – 04 – L

Patent

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Details

H04L 12/56 (2006.01) H04L 12/18 (2006.01) H04Q 7/30 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2453320

A one-to-many wireless telephone communication system includes a transmitting telephone that transmits voice packets in, e.g., CDMA to a base station in an IP-based infrastructure. The base station converts the CDMA packets to IP and sends them through the infrastructure to a communication manager, which copies the packets as many times as necessary for the recipient telephones in the group and sends the IP packets back through the infrastructure using the IP addresses of the recipients. The base stations receiving the IP packets transform them to voice packets and transmit the voice packets to the recipient telephones, thereby relieving the telephones from having to support IP.

L'invention concerne un système de communication téléphonique <= one to many >= sans fil. Le système comprend un téléphone émetteurqui émet des paquets vocaux, p.ex., des paquets CDMA à une station de base dans une infrastructure fondée sur le protocole Internet (IP). La station de base convertit les paquets CDMA en IP et les envoie par l'intermédiaire de l'infrastructure à un gestionnaire de communication. Ledit gestionnaire copie les paquets le nombre de fois nécessaire pour les téléphones récepteurs du groupe et renvoie les paquets IP par l'intermédiaire de l'infrastructure à l'aide des adresses IP des récepteurs. Lorsque les stations base reçoivent les paquets de protocole Internet, elles les transforment en paquets vocaux et transmettent ces paquets vocaux aux téléphones récepteurs. Ainsi, les téléphones ne sont pas tenus d'accepter le protocole Internet.

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