A method and device for creating voice bearer

Abstract

The present application discloses a method and apparatus for creating a voice bearer. The method includes: a mobility management entity MME obtains first indication information from the tracking area to which the target base station belongs or the source base station, and the first indication information uses to indicate whether the target base station supports packet-switched PS voice bearers and / or whether the strength of the PS signal of the target base station is greater than or equal to a strength threshold; the MME does not support PS voice bearers at the target base station or the target base station When the strength of the PS signal is less than the strength threshold, send second indication information to the gateway device, where the second indication information is used to indicate that the creation of the PS voice bearer fails. The method and apparatus for creating a voice bearer provided by the embodiments of the present application reduce the delay for the calling terminal device to establish the voice bearer, and reduce the signaling overhead of the network device.

Description

technical field [0001] The present application relates to the communication field, and in particular to a method and device for creating a voice bearer. Background technique [0002] The voice service of the LTE (Long Term Evolution, long-term evolution) network is called VoLTE (Voice overLTE, voice transmission based on the long-term evolution network). UE (User Equipment, user equipment) can support VoLTE service. VoLTE is a voice service based on IMS (IP Multimedia Subsystem, Internet Protocol Multimedia Subsystem). Voice data is transmitted through IP (Internet Protocol, Internet Protocol) data packets. All services are carried on the LTE network, which can realize data and voice services. Unification under the same network. [0003] During the establishment of the VoLTE service, if the eNB (E-UTRAN NodeB, Evolved Network Base Station, where E-UTRAN is the abbreviation of "Evolved Universal Terrestrial Radio Access, Evolved Unified Terrestrial Radio Access Network") re...

AI Technical Summary

Problems solved by technology

[0005] In the above process, the AF needs to determine whether the VoLTE bearer of the target eNB is successfully established according to the message reported by the MME, but the MME needs to wait for a long time to determine whether the VoLTE dedicated bearer of the target eNB is successfully established, which greatly increases the cost of voice bearer establishment. time delay

Images