Network gateway device and communications system for real item communication connections
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Accused Products
Abstract
The invention relates to a network gateway device, which permits a logically direct, transport protocal-based coupling of several VoIP communications networks with different, connection control protocols that are attached to the packet-oriented transport protocol. To achieve this, for each of the VoIP communications networks to be coupled, the network gateway has a respective transport protocol-based data interface, a connection control protocol-based signaling interface, in addition to a conversion device for conversion between the different connection control protocols.
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Citations
30 Claims
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1-13. -13. (canceled)
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14. A network gateway device for real time communication connections, comprising:
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a packet oriented transport protocol;
a first communication network with a first connection control protocol based on the transport protocol;
a second communication network with a second connection control protocol based on the transport protocol;
a communication connection between the first communication network and the second communication network;
a first and a second transport-protocol-based data interface for logically directly linking the first and the second communication network at transport protocol level;
a first signaling interface based on the first connection control protocol and connected to the first data interface, and a second signaling interface based on the second connection control protocol and connected to the second data interface; and
a conversion device linked to the first and second signaling interface and used for converting between the first and the second connection control protocol. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 28, 29, 30)
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27. A communication system, comprising:
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a plurality of communication networks linked with a network gateway device;
a packet oriented transport protocol; and
a network gateway device having different connection control protocols based on the packet oriented transport protocol.
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Specification