d15 Modem Integration and Application Developers Guide version draft 0.53 Page 132 of 181
2.1.22 AT+CGMR, Request revision identification
At Command
Reaction
Remark
at+cgmr
+cgmr: <revision>
<revision>
Revisions number of the
software
Request revision
identification
at+cgmr?
ERROR
at+cgmr=?
OK
at+cgmr
PC Card: d15_vAE.00.15
OK
2.1.23 AT+CGSN, Request product serial number identification
At Command
Reaction
Remark
at+cgsn
+cgsn <sn>
<sn>
IMEI number
at+cgsn?
ERROR
at+cgsn=?
OK
at+cgsn
+CGSN: 447764074608839
OK
2.1.24 AT+CHUP, Hang up call
At Command
Reaction
Remark
at+chup=
Phone hangs up
at+chup=?
OK
at+chup
OK
RING
at+chup?
ERROR