Capability information reporting method and device in MME pool scene

Abstract

An embodiment of the invention discloses a voice service maintenance method in a mobile management entity (MME) pool scene. An embodiment of the invention also discloses a method and corresponding device for reporting capability information of user equipment (UE) in the MME pool scene. The voice service maintenance method comprises the following steps: when a first MME fails in an MME pool, a second MME in the MME pool receives a first tracking area update (TAU) request initiated by the UE, the first MME being an original service MME of the UE, and the second MME being a service MME after the first MME fails; and during the process of tracking area updating initiated by the first TAU request, the second MME obtains capability information of the UE from the first MME, or after finishing the process of tracking area updating initiated by the first TAU request, the second MME obtains the capability information of the UE from the UE. The capability information of the UE comprises single radio voice call continuity (SRVCC) relevant information of the UE, or circuit switched fallback (CSFB) capability information of the UE. With the method and device in the invention, the capability information of the UE can be obtained timely, and the availability of the circuit domain service of the UE and the continuity of the voice service of the UE are guaranteed.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and device for reporting capability information of an MME pool scene. Background technique [0002] In a 4G (4rd-generation) network, the protocol defines a packet-switched (Packet Switched, PS) network. However, circuit switched (Circuit Switched, CS) services are indispensable in real life, so the 3rd Generation Partnership Project (The 3rd Generation Partnership Project, 3GPP) agreement stipulates two CS service solutions, namely circuit switched fallback (Circuit Switched) Switched Fallback, CSFB) and long-term evolution network voice service (Voice over Long Term Evolution, VoLTE). In the CSFB solution, the user jointly registers to the 4G network. When the user needs to make voice calls, the network side is notified that the network device will actively drop the user back to the 2 / 3G network, so that the user can use the traditional 2 / 3G network. V...

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the embodiments of the present invention is to provide a method and device for reporting MME pool scene capability information, which is used to solve the problem in the prior art that when the serving MME fails, the voice service is interrupted or the voice service and short message service are not available. problem with

Images