Method and device for transmitting a short message from an evolved packet system user equipment

摘要

A method for sending a short message from a system evolved packet to a user equipment, comprising: receiving (S110, S310, S604), by a mobile device management Evolved Packet System, a first message sent by mobile switching center, MSC / visitor location register, VLR, a circuit switched network, where the first message is a paging message; determining (S120, S320), by the mobile management device, if the search message does not comprise a location area identity LAI; and determining (S330), by the mobile device management, if the user equipment is in a connected state and, if so, sending (S130, S340, S611), by the mobile device management, a second message to the user equipment, wherein the second message is used to instruct the user equipment to initiate the connection with the MSC / VLR; wherein the second message is a release request, and a type of disconnect request message is used to indicate disconnection to the user equipment initiating the connection with the MSC / VLR.