Specifications
February 23, 2000 Motorola Personal Communications Sector Page 30
Satellite Subscriber Products Division
Motorola Personal Communications Sector
Satellite Subscriber Products Division
ISU AT Command Reference Extended Cellular Commands (+C)
+CR: <mode>
Test Command: +CRC=?
List the supported result code settings. The response is in the form:
+CR: (supported <mode>s)
4.30 +CREG - Network Registration
Set Command: +CREG=[<n>]
Set command controls the presentation of an unsolicited result code +CREG: <stat> when <n>=1 and
there is a change in the ME network registration status, or code +CREG: <stat>[,<lac>,<ci>] when
<n>=2 and there is a change in the registration status of the phone.
Valid values for <n> are:
0 disable network registration unsolicited result code (default)
1 enable network registration unsolicited result code +CREG: <stat>
2 enable network registration and location information unsolicited result code +CREG:
<stat>[,<lac>,<ci>]. <lac> indicates the location area code in string format;
<ci> is in the cell identifier which is not applicable to IRIDIUM.
<stat> can be one of the following:
0 not registered, ME is not currently searching a new operator to register to
1 registered, home network
2 not registered, but ME is currently searching a new operator to register to
3 registration denied
4 unknown
5 registered, roaming
Read Command: +CREG?
Read command returns the status of result code presentation and an integer <stat> which shows whether the
network registration status of the phone. Location information elements <lac> and <ci> are returned only
when <n>=2 and phone is registered in the network. Response is in the form:
+CREG: <n>,<stat>[,<lac>,<ci>]
Test Command: +CREG=?
Test command lists the supported settings for +CREG. Response is in the form:
+CREG: (list of supported <n>s)
4.31 +CSCA - SMS Service Center Address
Set Command: +CSCA=<sca>[,<tosca>]
Set command updates the SMSC address, through which mobile originated SMs are transmitted. In PDU
mode, setting is used by the send and write commands, but only when the length of the SMSC address coded
into <pdu> parameter equals zero.
<sca>: GSM 04.11 RP SC address Address-Value field in string format (i.e., enclosed by quotes ““);
<tosca>: GSM 04.11 RP SC address Type-of-Address octet in integer format;
Read Command: +CSCA?