C55/C55i AT COMMAND SET Description Preliminary - Falcom

C55/C55I AT COMMAND SET VERSION 1.00
(num)
0 (&F) Suppress "+CSSU" URCs
1 Activate "+CSSU" URCs
(num)
3 Waiting call is pending
(num)
0 The incoming call is a forwarded call.
5 Held call was terminated
Note
• The URCs will be displayed only if the call concerned is a voice
call.
8.13 AT+CUSD Supplementary service notifications
This command allows control of the Unstructured Supplementary Service
Data (USSD) according to GSM 02.90. Both network and mobile initiated
operations are supported.
Syntax
Test Command
Response(s)
AT+CUSD=?
+CUSD: (list of supported s)
OK
Read Command Response(s)
AT+CUSD? +CUSD:
OK
Write Command
Response(s)
AT+CUSD=[, [, ]] OK
+CME ERROR
Reference(s) PIN
GSM 07.07, GSM 02.90, GSM
03.90, GSM 04.90
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ASC0
Unsolicited Result Code
+ CUSD: [[] ]
URC "+CUSD" indicates an USSD response from the network, or
network initiated operation
Command Description
The read command returns the current value
Write command parameter is used to disable/enable the
presentation of an unsolicited result code (USSD response from the
network, or network initiated operation) "+CUSD: [[]]"
to the TE.
When is given, a mobile initiated USSD string or a response
USSD string to a network initiated operation is sent to the network.
The response USSD string from the network is returned in a
subsequent unsolicited result code "+CUSD".
The interaction of this command with other commands based on other
GSM supplementary services is described in the GSM standard.
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