Rainbow Electronics GM862-QUAD-PY - Manual (Page 103)

AT Commands Reference Guide
80000ST10025a Rev. 5 - 09/07/08
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+CUSD - Unstructured Supplementary Service Data SELINT 0 / 1
Note: the unsolicited result code enabled by parameter is in the
format:
+CUSD: [,,] to the TE
where:
:
0 - no further user action required (network initiated USSD-Notify, or no
further information needed after mobile initiated operation).
1 - further user action required (network initiated USSD-Request, or
further information needed after mobile initiated operation)
2 - USSD terminated by the network
3 - other local client has responded
4 - operation not supported
5 - network time out
Note: in case of successful mobile initiated operation, DTA waits the USSD
response from the network and sends it to the DTE before the final result
code. This will block the AT command interface for the period of the
operation.
Note: issuing AT+CUSD is the same as issuing the Read command.
Note: issuing AT+CUSD= is the same as issuing the command
AT+CUSD=0.
AT+CUSD? Read command reports the current value of the parameter
AT+CUSD=? Test command reports the supported values for the parameter
Reference GSM 07.07
Note Only mobile initiated operations are supported
+CUSD - Unstructured Supplementary Service Data
SELINT 2
AT+CUSD=
[[,
[,]]]
Set command allows control of the Unstructured Supplementary Service
Data (USSD [GSM 02.90]).
Parameters:
- is used to disable/enable the presentation of an unsolicited result
code.
0 - disable the result code presentation in the DTA
1 - enable the result code presentation in the DTA
2 - cancel an ongoing USSD session (not applicable to read command
response)
- USSD-string (when parameter is not given, network is not
interrogated)
- If indicates that GSM338 default alphabet is used ME/TA