Chapter 10 – Supplementary Services Commands
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I)
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Chapter 10 – Supplementary
Services Commands
Call Forwarding +CCFC
Description:
This commands allows control of the "call forwarding" supplementary service.
Values:
<reason>
0
Unconditional
1
Mobile
busy
2
No
reply
3
Not
reachable
4
All call forwarding
5
All conditional call forwarding
<mode>
0
Disable
1
Enable
2
Interrogate
3
Registration
4
Erasure
<type>
TON/NPI (Type of address byte in integer format) (default 145 when dialing string includes
international access code character “+”; otherwise, 129).
<class>
1
Voice
2
Data
3
Fax
4
Short
Messages
5
All
classes
Note:
The combination of different classes is not supported, it will only result in the activation /
deactivation / status request of all classes (7).
In the case where the FDN phonebook is activated, the registration is restricted to the phone
numbers written in the FDN.
If <Class> parameter is not given in the command, 7 is used as the default value.
<subaddr>
not managed
<satype>
not
managed
<time>
For <reason> = 2 (No reply), 4 (all call forwarding) and 5 (all conditional call forwarding),
time to wait (1 to 30) in seconds before call is forwarded. Default value is 20.
<status>
0
not active
1
active
Syntax: Command
syntax:
AT+CCFC= <reason>, <mode> [, <number> [,<type> [,<class>
[,<subaddr>[,<satype>[,<time> ] ] ] ] ] ]
Response
syntax:
+CCFC: <status>, <class1> [, <number>, <type> [,<subaddr>, <satype> [,<time> ] ]
] [ <CR><LF>+CCFC: <status>, <class2> [, <number>, <type> [,<subaddr>, <satype>
[,<time> ] ] ] [ … ] ]
Command
Possible responses
AT+CCFC=0,3,”0146290800”
Note: Register to an unconditional call forwarding
OK
Note: Command valid
AT+CCFC=0,2
Note: Interrogate unconditional call forwarding
+CCFC:1,1,”0146290800”,129
Note: Call forwarding active for voice
<CR><LF>+CCFC:1,2,”0146290802”,129
Note: Call forwarding active for data
<CR><LF>+CCFC:1,4,”0146290804”,129
OK
Note: Call forwarding active for fax
AT+CCFC=0,4
Note: Erase unconditional call forwarding
OK
Note: Command valid
+CCFC responses are not sorted by <class> parameter, but only by the order of network response.