Home gateway, voice communication method and apparatus
A voice call and home gateway technology, applied in the field of communications, can solve the problem of a single voice call mode, and achieve the effect of improving user experience and flexibility
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Embodiment 1
[0058] In this preferred embodiment, a home voice communication gateway is provided, a system composed of a voice communication gateway and a terminal that can be deployed on the home gateway, and the home gateway accesses the IP Multimedia Network Subsystem (IP Multimedia Subsystem, referred to as IMS) provides a voice call method for terminals. Through the above method, the terminal can switch the call to other calling devices in the home network through the home gateway within the coverage of the home network, and these devices can also be connected to the session together, turning the one-to-one voice call into a conference call .
[0059] The method of this preferred embodiment includes the functional module division and framework of the voice call gateway in the home gateway, the interaction mode between the terminal and the voice gateway in the home gateway, the method for switching the voice call of the terminal between the mobile cellular network and the fixed network...
Embodiment 2
[0066] Figure 13 is a schematic diagram of a voice switching process according to Embodiment 2 of the present invention, such as Figure 13 As shown, in this embodiment, the terminal in the local area network has established an IMS voice call with a terminal in another external network. The terminal may be connected to an LTE network, or may be connected to an IP network by other types of networks. At this point, if the terminal finds an available wireless local area network, it initiates a wireless local area network access procedure. WLAN access involves interaction with the access control module of the home gateway. The content of the interaction includes access control to terminals, IP address allocation, hierarchical processing of multiple service flows, and so on. After the terminal accesses the WLAN, it wishes to continue the previous IMS voice call through the WLAN. At this time, the terminal initiates a call switching request to the voice gateway module, requesting...
Embodiment 3
[0074] Figure 15 is a schematic diagram of a call transfer process according to Embodiment 3 of the present invention, as Figure 15 As shown, it is assumed that Terminal 1 and Terminal 2 are both connected to the wireless local area network, and Terminal 1 is conducting an IMS voice call with Terminal 1 in the external network. At this time, terminal one sends a call transfer request (SIP Refer) message to the voice gateway module, and transfers the voice call to terminal two. After the voice gateway module accepts the transfer request, it sends a call request (SIP Invite) to Terminal 2. After receiving the call request, Terminal 2 initiates (SIP reInvite) to the opposite end of the call to re-negotiate the media. After the renegotiation is successful, the call transfer can be regarded as successful, and at this time, a call end message and a call status notification message are sent to Terminal 1.
[0075] Figure 16 It is a flow chart of the voice gateway processing cal...
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