A method for implementing the pure circuit switching in the next-generation network
A circuit switching, next-generation technology, applied in network connection, telephone communication, electrical components, etc., can solve problems such as difficulty in implementing new services, troublesome implementation, and waste of VoIP resources, so as to save gateway VoIP resources, improve utilization, and call Continuing the effect of convenience
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[0027] The invention proposes a solution to the problem of waste of VoIP resources caused by calling between PSTN users through the VoIP resources to the packet network in the existing method. The basic idea is as follows:
[0028] For the SS service side, the same process as that required for VoIP resources is still used formally, but this VoIP is a virtual VoIP resource, and VoIP resources are used in software implementation, but the gateway implementation does not apply for VoIP resources, and the protocol generates virtual VoIP resources. VoIP resources are used to ensure that the business-side process remains unchanged. During the call process, if the service side wants to operate VoIP resources, the H.248 protocol side replaces the VoIP operation with the physical entity operation, and then passes the relevant information through the extended media descriptor (X- ZteHairpin) to the gateway side. In this way, from the perspective of the SS, operations are performed on t...
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