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Chapter 4 – General Commands
Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C 32
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
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
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
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