Emergency calling with a VoIP device in a VLAN environment
First Claim
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1. In a virtual local area network (VLAN), a method of handling emergency voice over internet protocol (VoIP) calls comprising the steps of:
- a VoIP device reserving a range of specific port numbers for use during emergencies;
transmitting an emergency call within the VLAN using a port number in said range; and
the VoIP device reserving extra resources for handling the call once it determines the port number falls within said range.
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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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Citations
24 Claims
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1. In a virtual local area network (VLAN), a method of handling emergency voice over internet protocol (VoIP) calls comprising the steps of:
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a VoIP device reserving a range of specific port numbers for use during emergencies;
transmitting an emergency call within the VLAN using a port number in said range; and
the VoIP device reserving extra resources for handling the call once it determines the port number falls within said range. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. In a virtual local area network (VLAN), a module of handling emergency voice over internet protocol (VoIP) calls comprising:
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means for reserving a range of specific port numbers for use during emergencies;
means for transmitting an emergency call within the VLAN using a port number in said range; and
means for reserving extra resources for handling the call once it determines the port number falls within said range. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24)
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17. In a virtual local area network (VLAN), a program product for handling emergency voice over internet protocol (VoIP) calls comprising:
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logic means for reserving a range of specific port numbers for use during emergencies;
logic means for transmitting an emergency call within the VLAN using a port number in said range; and
logic means for reserving extra resources for handling the call once it determines the port number falls within said range.
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Specification