Release link trunking for IP telephony

Details Release link trunking for IP telephony Release link trunking for IP telephony

2004-01-14

2009-02-03

Nguyen, Quynh H (Department: 2614)

Telephonic communications

Audio message storage, retrieval, or synthesis

Interacting voice message systems

C379S088130, C379S088170, C379S093010, C379S093120, C379S265010, C379S265020, C379S265090, C370S352000, C370S356000

Reexamination Certificate

active

07486781

ABSTRACT:
Methods and systems are provided that use resources more efficiently for calls originating and terminating in a first address space that use services in an IP address space. A call is established from an originator in a first address space to an IP device within an IP address space. The IP device sends a message to a switch in the first address space indicating a new destination in the first address space. The established call is released and a second call is established from the originator in the first address space to the new destination in the first address space. In another implementation, a first leg of a call is established to an IP device from a first address space. The IP device establishes a second leg of a call to a destination in the first address space. The calls are bridged and resources released.

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