| 摘要 |
Disclosed are a method, device and system for regressing to an LTE network, which relate to the technical field of communications, and enable a UE to regress to a previously registered LTE PLMN of the CSFB after a CSFB service is ended, so as to guarantee PS service continuity, avoid unnecessary PLMN inter-network handover, and improve the user experience.The method of the present invention comprises: after a CSFB service of a UE is ended, a base station receiving a PLMN ID of a registered LTE network of the UE which is sent by a serving MSC/VLR of the UE;determining LTE frequency band information according to the PLMN ID;and sending a connection release message containing the LTE frequency band information to the UE, so as to enable the UE to regress to the previously registered LTE PLMN corresponding to the PLMN ID.The embodiments of the present invention are mainly used in the process of regressing to the LTE network after the CSFB service is ended. |
