Specifications

SIM900 AT Command Manual
SIM900_AT Command Manual_V1.03 84 12/24/2010
bit/s baud rate
Multiplexer control channels are listed as follows:
Channel Number Type DLCI
None Multiplexer Control 0
1 07.07 and 07.05 1
2 07.07 and 07.05 2
3 07.07 and 07.05 3
4 07.07 and 07.05 4
3.2.43 AT+CNUM Subscriber Number
AT+CNUM Subscriber Number
Test Command
AT+CNUM=?
Response
OK
Response
+CNUM: [<alpha1>],<number1>,<type1>[,<speed>,<service>]
[<CR><LF>+CNUM:[<alpha2>],<number2>,<type2>[,<speed>,<serv
ice>]
[...]]
OK
If error is related to ME functionality:
+CME ERROR: <err>
Execution
Command
AT+CNUM
Parameters
<alphax> optional alphanumeric string associated with <numberx>;
used character set should be the one selected with
Command Select TE Character Set +CSCS
<numberx> string type (string should be included in quotation marks)
phone number of format specified by <typex>
<typex> type of address octet in integer format (refer GSM04.08[8]
subclause 10.5.4.7)
<speed> as defined by the +CBST Command
<service> (service related to the phone number: )
0 asynchronous modem
1 synchronous modem
2 PAD Access (asynchronous)
3 Packet Access (synchronous)
4 Voice
5 Fax
Reference
GSM 07.07 [13]
Note