Home gateway supporting voice communications
A voice communication and communication link technology, applied in interconnection devices, telephone communication, wireless communication, etc., can solve problems such as mobility difficulties and scalability difficulties, achieve low cost, improve interactive work, and improve mobility support Effect
Inactive Publication Date: 2009-07-08
MOTOROLA MOBILITY LLC
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AI Technical Summary
Problems solved by technology
However, traditional methods have many disadvantages
For example, existing proposals require complex media gateways that must, for example, relay high bandwidth for inter-domain voice traffic
This can make scalability difficult, for example
Additionally, it is more difficult to support seamless mobility with a centralized approach
Method used
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[0026] figure 1 An example of a communication system including a voice communication enabled device according to some embodiments of the invention is shown.
[0027] The system comprises a remote terminal 101 capable of operating in a circuit-switched mode of operation and a packet-switched mode of operation. In particular, the remote terminal is a dual-mode remote terminal comprising functionality for communicating according to any circuit-switched cellular communication standard such as GSM and according to a standard such as 802.11 or WiFi TM Standard functionality for communicating with any packet-switched WLAN standard. For illustrative purposes only, the embodiments herein refer specifically to GSM and WiFi TM .
[0028] Thus, the remote terminal 101 can communicate using the WLAN standard when the remote terminal 101 is within the coverage of the WLAN system, and can communicate using the cellular communication standard when it is outside the coverage of the WLAN but...
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An apparatus comprises two processors for supporting a remote terminal in a packet and circuit switched mode of operation respectively as well as two interfaces for interfacing to an external circuit and packet switched network respectively. A first selector can select a remote terminal communication link as a packet switched mode communication link or a circuit switched mode communication link and a second selector can select an external voice communication link as a voice communication link of the external circuit switched network or a voice communication link of the external packet switched network in response to an identity of the other party involved in the call. A conversion processor can support the voice communication by conveying voice data between the selected remote terminal communication link and the selected external voice communication link. This device specifically can be home gateway facilitating the operation in the combined packet and circuit exchange environment.
Description
technical field [0001] The present invention relates to a method and apparatus for supporting voice communications, and in particular to support for packet-switched and circuit-switched voice communications. Background technique [0002] Traditionally, communication systems supporting voice communication employ circuit switching techniques in which a continuous connection is formed between the parties. Increasingly, however, voice communications will be supported by packet-switched communications in which voice data is divided into distinct packets that can be independently routed between parties. For example, the Public Switched Telephone Network (PSTN) and cellular communication systems such as GSM have traditionally supported voice communications in the circuit switched domain. However, voice services traditionally supported in this way are increasingly being supported in the packet-switched domain via eg the Internet or other packet-switched networks, eg as Voice over I...
Claims
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IPC IPC(8): H04M7/00H04L12/66H04W88/16H04L29/06H04W36/14H04W76/04
CPCH04L12/66H04M7/0057H04W36/0022H04L29/06326H04W88/16H04W76/04H04L65/1069H04L29/06027H04W76/20H04L65/1095H04W36/00224H04L65/1101
Inventor 皮埃尔·洛克斯马尔科·弗拉提
Owner MOTOROLA MOBILITY LLC