System and method for generalized call forwarding between...

Telephonic communications – Special services – Call diversion

Reexamination Certificate

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C379S212010, C379S219000, C379S220010, C379S221140

Reexamination Certificate

active

07426265

ABSTRACT:
The call forwarding is provided within and between telephone networks by establishing a generalized procedure for call delivery and call forwarding. Network protocols are addressed using a common framework for processing call delivery and call forwarding among any combination of different types of networks. An “integrated location management” component realizes the generalized procedure. The integrated location management component is a device capable of holding location information for diverse cellular networks, including Internet telephony systems. The inventive system and method executes generalized call delivery and call forwarding for calls among different types of telephone networks, including wireless networks and Internet networks. The calls may originate from any type of telephony network. Having been initially directed to any of these networks, calls can then be call forwarded to any of these networks.

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Isukapalli et al: “Global Roaming and Personal Mobility with COPS Architecture in SuperDHLR,” Bell Labs Technical Journal 7(2), 3-18 (2000).

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