If the MS USES discontinuous reception, DRX Parameters in combination with the IMSI indicate when the MS is in a non-sleep mode able to receivepaging requests.
如果MS使用了不连续接收，DRX参数将和IMSI一起来指明当一个MS是在非睡眠模式能接收寻呼请求。
2
The MS can also receivepaging messages with a CN identity on the PCH.