[Friedrich]

If I execute the command

MGSSP:IMSI=XXXXXXXXXXXXXX;

I obtain the following answer:

MT MOBILE SUBSCRIBER STATE
SUBSCRIBER DETAILS

IMSI MSISDN STATE RESTR LAI
XXXXXXXXXXXXXX YYYYYYYYYYY IDLE ZZZ-ZZ-ZZZZ

EQUIPMENT IDENTITY CONTROL DETAILS
IMEI CHKRE5 CNT
WWWWWWWWWWWWWW WHITE O

GENERAL PACKET RADIO SERVICE INFORMATION
GPRSSTATE SGSN
DET

END

May I assume that the following statements are true?

1) SIM card YYYYYYYYYYY was attached to the cell using phone with IMEI WWWWWWWWWWWWWW

2) The SIM card is no longer attached.

3) No explicit detach command was issued.

If the three statements are true, how long ago (as a maximum) did the implciit detach operation take place?

[Pavel]

1) Yes, that is correct statement.

2) Not exactly. Even SIM, which is still in network, but have no any active call will have IDLE state.

3) Yes, no explict detach takes place.

[Friedrich]

Thanks a lot, Pavel.

[Author]

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