Call forwarding in a packet switched system with back up...

Details Call forwarding in a packet switched system with back up... Call forwarding in a packet switched system with back up...

H - Electricity

04

M

H04M 7/00 (2006.01) H04M 1/00 (2006.01) H04M 1/2745 (2006.01) H04M 3/54 (2006.01) H04M 1/253 (2006.01)

Patent

CA 2513495

In call forwarding of a call there is an original calling network device (1001), an original recipient of an incoming call (1002), and a forwardee of the call (1004). Systems, network devices, and methods are provided for delivering local call forwarding functionality. Each network device is capable of functioning in the capacity of any one or more of the above three roles, namely, originator, original recipient, and forwardee by providing local call forwarding functionality. In some implementations there is no central processing equipment used to provide local call forwarding functionality for forwarding calls. Furthermore, a network device may provide a call forwarding destination on behalf of another network device (1003) when the other network device cannot be reached.

L'invention concerne le renvoi d'appel, avec dispositif de réseau appelant initial (1001), destinataire initial d'appel entrant (1002), et destinataire d'appel renvoyé (1004). L'invention concerne également des systèmes, des dispositifs de réseau et des procédés permettant d'assurer la fonctionnalité de renvoi d'appel au niveau local. Chaque dispositif de réseau peut assumer l'un des trois rôles décrits, à savoir support appelant initial, destinataire initial, et destinataire d'appel renvoyé, à travers ladite fonctionnalité. Dans certaines variantes, on n'utilise aucun équipement de traitement central pour assurer la fonctionnalité en question. Enfin, un dispositif de réseau peut fournir une destination de renvoi d'appel au nom d'un autre dispositif de réseau (1003) si celui-ci ne peut pas être atteint.

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