Method and apparatus for carrying out voice and data group call service via circuit switching and packet exchange in mobile network
A voice group call service and mobile network technology, applied in the field of multimedia group call services, can solve the problem of only considering voice services, and achieve the effect of reducing call setup delay and excellent link quality
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[0030] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with specific embodiments. It should be understood that the invention is not limited to the specific examples.
[0031] figure 1 It is a schematic diagram of a mobile network, which includes multiple mobile terminals (MS) 1 (for brevity, only one MS is shown here), a base station system (BSS) 2, a mobile switching center (MSC) 3 and a GPRS support Node (SGSN)4. A multimedia group call service is started by MS 3, and BSS 2 is connected with MSC 3 or with SGSN 4 according to whether the multimedia group call service is a voice group call service or a data group call service, so that the voice group call service is established by circuit switching, and data group call services are established by packet switching.
[0032] According to the level of radio resource usage efficiency, the present invention has the following two different specific implementat...
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