When the PS signalling connection is established between the MS and the 3G-SGSN for performing GPRS attach procedure,the state changed to PMM-CONNECTED in the MS and the 3G-SGSN.

• 分组移动管理-分离状态在该状态下；移动台与3G-GPRS服务支撑节点之间没有任何的通信.