A voice data transmission control method and device

Abstract

A voice data transmission control method and device. The implementation of the method by the wireless access network device on the calling terminal side includes: after receiving the connection establishment request from the calling terminal, the wireless access network device sends the first configuration information to the calling terminal, and according to the first Establishing a first signaling connection based on the voice-specific domain with the calling terminal based on configuration information; the wireless access network device receives a call establishment request sent by the calling terminal through the first signaling connection; The radio access network device sends the call establishment request to the core network device, and establishes a second signaling connection with the core network device based on a voice-specific domain. Using the signaling connection based on the voice-specific domain to establish voice services does not need to superimpose IMS on the core network, so the functional network elements for voice transmission control can be simplified, the delay in the service establishment process can be reduced, and the efficiency of service establishment can be improved.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a voice data transmission control method and equipment. Background technique [0002] With the explosion of data services and the full Internet Protocol (IP) of the network, the Long Term Evolution (LTE) network no longer provides the Circuit Switched (CS) domain, and only retains the only packet switching domain. (packet switching, PS) domain: Evolved Packet Core (EPC). Therefore, the LTE network is an all-IP network without a CS circuit domain; in the LTE network, it is necessary to provide IP voice services based on the PS packet domain, that is, Voice over LTE (VoLTE), so the IP multimedia system (IPMultimedia Subsystem , IMS), superimposed on the LTE core network. The VoLTE system uses the IMS system to implement service control, and the EPC system to implement bearer, thereby realizing IMS-based packet domain voice and multimedia services. For user equipment (User...

AI Technical Summary

Problems solved by technology

[0008] Based on the above description, LTE uses all-IP to introduce IMS. Due to the complex structure of IMS functional network elements, the VoLTE service establishment process has a long delay and low service establishment efficiency.

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