Emergency calling with a VoIP device in a VLAN environment

Details Emergency calling with a VoIP device in a VLAN environment Emergency calling with a VoIP device in a VLAN environment

2006-08-29

2006-08-29

Pham, Chi (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S230000, C370S412000, C379S045000

Reexamination Certificate

active

07099332

ABSTRACT:
Method (130) for optimizing emergency call service in a Virtual Local Area Network including at least one Voice over Internet Protocol device. A range of port numbers is reserved for use during emergencies (134). Next, a VoIP device transmits an emergency call within the VLAN using a port in the specified range (136). Extra resources are reserved for handling the calls using ports within the specified range (138).

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