Transmission method and network gateway device for real-time communication between packet-oriented communication networks
First Claim
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1. A transmission method for data packets in real-time communication between a communication terminal device of a first communication network, and a second communication network, both the first and second communication networks being packet oriented communication networks, comprising:
- transmitting the data packets from the communication terminal device via the first communication network to a data compression device;
compressing the data packets at the data compression device to thereby produce compressed data packets, the data packets being compressed between the first and second communication networks; and
forwarding the compressed data packets from the data compression device to the second communication networks,wherein the communication terminal device is a voice and/or multimedia real-time communication terminal.
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Abstract
In real-time communication between a communication terminal device of a first packet-oriented communication network and a second packet-oriented communication network, data packets which are to be transmitted are transmitted from the communication terminal device in essentially uncompressed form via the first communication network to a data compression device, in order to be compressed before being forwarded into the second communication network.
66 Citations
20 Claims
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1. A transmission method for data packets in real-time communication between a communication terminal device of a first communication network, and a second communication network, both the first and second communication networks being packet oriented communication networks, comprising:
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transmitting the data packets from the communication terminal device via the first communication network to a data compression device; compressing the data packets at the data compression device to thereby produce compressed data packets, the data packets being compressed between the first and second communication networks; and forwarding the compressed data packets from the data compression device to the second communication networks, wherein the communication terminal device is a voice and/or multimedia real-time communication terminal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A transmission method for data packets in real-time communication between a communication terminal device of a first communication network and a second communication network, both the first and second communication networks being packet oriented communication networks comprising:
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forwarding the data packets originating from the second communication network to a data decompression device of the first communication network, decompressing the data packets in the data decompression device to thereby produce decompressed data packets, the data packets being decompressed between the first and second communication networks, and transmitting the decompressed data packets via the first communication network to the communication terminal devices, wherein the communication terminal device is a voice and/or multimedia real-time communication terminal.
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16. A network gateway device through which real time communication data packets pass in traveling between a communication terminal device of a first communication network, and a second communication network, both the first and second communication networks being packet oriented communication networks, comprising:
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a first data interface to receive real time communication data packets from the communication terminal device via the first communication network; a data compression device to receive real time communication data packets from the first data interface and compress the data packets between the first and second communication networks to thereby produce compressed data packets; and a second data interface to pass the compressed data packets from the data compression device to the second communication network, wherein the communication terminal device is a voice and/or multimedia real-time communication terminal. - View Dependent Claims (17, 18, 19, 20)
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Specification