PIONEERPOS AT Commands G24-LC - Manual (Page 118)

Call Control
3-54 G24-L AT Commands Reference Manual April 15, 2008
Example
AT+CUSD=?
+CUSD: (0,1,2)
OK
AT+CUSD=1,"*#100#"OK
+CUSD: 2,26 //Response of the command =2, reason = 26 (SIGNALING
ERROR)
AT+CUSD?
+CUSD: 1
OK
Note: When the mobile-initiated operation is successful, the MS is implemented according to
the required version. It waits for the USSD response from the network and then sends it
to the TE before the final result code.
Table 3-30: CUSD Termination Cause Table Index
Termination Cause Index
NO_CAUSE 0
CC_BUSY 1
PARAMETER_ERROR 2
INVALID_NUMBER 3
OUTGOING_CALL_BARRED 4
TOO_MANY_CALLS_ON_HOLD 5
NORMAL 6
DROPPED 10
NETWORK 12
INVALID_CALL_ID 13
NORMAL_CLEARING 14
TOO_MANY_ACTIVE_CALLS 16
UNASSIGNED_NUMBER 17
NO_ROUTE_TO_DEST 18
RESOURCE_UNAVAILABLE 19
CALL_BARRED 20
USER_BUSY 21
NO_ANSWER 22
CALL_REJECTED 23
NUMBER_CHANGED 24
DEST_OUT_OF_ORDER 25
SIGNALING_ERROR 26
NETWORK_ERROR 27