(EN) The invention discloses a short message service capability updating method, equipment and device, and the method comprises the steps that a mobile management function receives a triggering condition of a short message function/user data management function, and/or the mobile management function judges that SMS over NAS capability updating needs to be triggered; and the mobility management functionupdates the SMS over NAS capability of the UE. By adopting the invention, when the mobile management function receives the triggering condition of the short message function/user data management function and/or the mobile management function judges that the SMS over NAS capability update needs to be triggered, the mobile management function updates the SMS over NAS capability of the UE. Since theSMS over NAS capability can be triggered and updated through the network side, the attempt of the UE to send wrong short messages is avoided.
(ZH) 本发明公开了一种短信息服务能力更新方法、设备及装置,包括:移动管理功能接收到短信息功能/用户数据管理功能的触发条件,和/或,移动管理功能判断需触发SMS over NAS能力更新;移动管理功能对UE的SMS over NAS能力进行更新。采用本发明,在移动管理功能接收到短信息功能/用户数据管理功能的触发条件,和/或,移动管理功能判断需触发SMS over NAS能力更新时,移动管理功能即对UE的SMS over NAS能力进行更新。由于可以通过网络侧触发更新SMS over NAS能力,从而避免了UE进行错误的短信息发送的尝试。