Rainbow Electronics 900 - Manual (Page 101)

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<code1>
0: unconditional call forwarding is active
1: some of the conditional call forwarding are active
2: call has been forwarded
3: call is waiting
4: this is a CUG call (also <index> present)
5: outgoing calls are barred
6: incoming calls are barred
7: CLIR suppression rejected
<code2>
1: closed User Group call, with CUG <index>
2: call has been put on hold (during a voice call, <number> & <type> fields may be present)
3: all has been retrieved (during a voice call, <number> & <type> fields may be present)
4: multiparty call entered (during a voice call, <number> & <type> fields may be present)
5: call on hold has been released (during a voice call)
7: call is being connected (alerting) with the remote party in alerting state in Explicit Call Transfer
operation (during a voice call)
8: call has been connected with the other remote party in Explicit Call Transfer operation (during a voice
call, <number> & <type> fields may be present)
<index>
Closed User Group index
<number>
String type phone number
<type> Type of address
10.11 Unstructured supplementary service data +CUSD
10.11.1 Description:
The USSD supplementary service is described in GSM 02.90.
It is based on sequences of digits, which may be entered by a mobile user with a handset. A sequence
entered is sent to the network which replies with an alphanumerical string, for display only, or for display
plus request for the next sequence.
This command is used to:
z Enable or disable the CUSD indication sent to the application by the product when an incoming
USSD is received
z Send and receive USSD strings
10.11.2 Syntax:
Command syntax: AT+CUSD = <n> [, <str> [<dcs>]]
Note: in case of enabled presentation, a +CUSD (as direct answer to a send USSD) is then indicated with:
+CUSD: <m> [, <str>, <dcs>]