Optimized push-to-talk call setup

H - Electricity – 04 – W

Patent

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Details

H04W 4/10 (2009.01) H04W 76/02 (2009.01)

Patent

CA 2547736

A requesting handset in a wireless communication network sends a call message requesting a push-to-talk connection with a target handset. In response, a push-to-talk server sends a connection status message to the requesting handset. The connection status message is sent to the requesting handset in a control channel such as the forward common control channel. The requesting handset indicates to the caller that the connection has been made with the target handset, turns on the audio channel, and buffers any audio received from the caller until the traffic channel has been established. Once the traffic channel is established, any buffered audio is sent over the traffic channel and the push-to-talk call ensues.

Un combiné d'origine dans un réseau de communication sans fil envoie un message d'appel demandant une connexion de messagerie vocale instantanée avec un combiné cible. En réponse, un serveur de messagerie vocale instantanée envoie un message de statut de connexion au combiné d'origine. Le message de statut de connexion est transmis au combiné d'origine dans une voie de commande telle qu'une voie de commande commune de retransmission. Le combiné d'origine indique à l'appelant que la connexion à été établie avec le combiné cible, met en service la voie audio, et met en mémoire tampon tout appel reçu en provenance de l'appelant jusqu'à l'établissement de la voie de trafic. Une fois la voie de trafic établie, tout message audio mis en mémoire tampon est transmis sur la voie de trafic et l'appel par messagerie vocale instantanée démarre.

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