Specifications

Chapter 3 – General Commands
Multi-Tech Systems, Inc. CDMA AT Commands Reference Guide (PN S000294K) 18
Ringer Sound Level +CRSL
Description: This command is used to set/get the sound level of the ringer on incoming calls.
Values: <sound level>
0 Min volume (muted)
1 Default volume (default)
4 Max volume
Syntax: Command syntax: AT+CRSL=<sound Level>
Command Possible Responses
AT+CRSL=0
Note: Set volume to Min (muted).
OK
Note: Current ring playing is muted.
AT+CRSL=4
Note: Set volume to Max.
OK
Note: Current ring playing with Max. volume.
AT+CRSL?
Note: Get current ringer sound level
CRSL:4
OK
Note: Current level is 4
AT+CRSL=4
Note: Supported parameters
CRSL: (0-4)
OK
Subscriber Number +CNUM
Description: This command is used to return the subscriber MSISDN. If the subscriber has different MSISDNs for
different services, each MSISDN is returned on a separate line.
Values: <alphax> optional alphanumeric string associated with <numberx>
<numberx> string type phone number with format as specified by <typex>
<typex> type of address byte in integer format – only supports 129
Syntax: Command syntax: AT+CNUM
Ruim command syntax: AT+CNUM=<number> (RUIM software releases only)
Response syntax: +CNUM: <alpha1>, <number1>, <type1>, <CR><LF>+CNUM: <alpha2>, <number2>,
<type2> …
Command Possible Responses
AT+CNUM
Note: Get MSISDN
+CNUM :“Phone”,”8585551212”,129
Note: MSISDNs
AT+CNUM=? +CNUM:
OK
AT+CNUM=8585551212
Note: Set module phone number in RUIM software
releases. Entry of the SPC is not required.
OK
Note: New number set.
Note: For RUIM software releases, this command provides a means for setting the phone number without the need to have
previously entered the SPC (+WSPC command). The value for <number> can be up to 15 digits. The use of this command
does not effect the IMSI.
Select Type of Address +CSTA
Description: This command is used to select the type of phone address to use.
Values: <typex> type of address byte in integer format – only supports 129
Syntax: Command syntax: AT+CSTA=<typex>
Command Possible Responses
AT+CSTA?
Note: Get type of address
+CSTA: 129
Note: Local Number format
AT+CSTA=?
Note: Get supported address types
+CSTA: (129-129)
OK