Full PBX telephony feature preservation across a voice over...

Details Full PBX telephony feature preservation across a voice over... Full PBX telephony feature preservation across a voice over...

2006-07-25

2006-07-25

Nguyen, Steven (Department: 2665)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S389000, C370S466000

Reexamination Certificate

active

07082119

ABSTRACT:
A method for providing supplementary services in a packet voice network. The method includes the steps of receiving a list of information elements from a sending station and then inserting the list into a call control message. The message is inserted in such a manner as to ensure that any supplementary services information included in the information elements is preserved. In addition locally significant messages are included in a globally significant message so any supplementary services information in the locally significant messages is preserved. After the supplementary services information is preserved, the messages are sent to a receiving station. A network device operable to provide this functionality is also discussed.

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