【多项选择题】
以下属于PDP激活失败后,原因值域的返回值为()
A、A.IMSI Not Known
B、B.MS GPRS Detached
C、C.MS Not GPRS Responding
D、D.MS Refuses
A、A.IMSI Not Known
B、B.MS GPRS Detached
C、C.MS Not GPRS Responding
D、D.MS Refuses