Multi-Tech Systems MMCModem GPRS (MTMMC-G) - Manual (Page 80)

Chapter 10 – Supplementary Services Commands
Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 80
Chapter 10 – Supplementary
Services Commands
Call Forwarding +CCFC
Description: This commands allows control of the "call forwarding" supplementary service.
Values:
0 Unconditional
1 Mobile
busy
2 No reply
3 Not reachable
4 All call forwarding
5 All conditional call forwarding
0 Disable
1 Enable
2 Interrogate
3 Registration
4 Erasure
TON/NPI (Type of address byte in integer format) (default 145 when dialing string includes
international access code character “+”; otherwise, 129).
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 parameter is not given in the command, 7 is used as the default value.
not managed
not
managed
For = 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.
0 not active
1 active
Syntax: Command syntax: AT+CCFC= , [, [, [,
[,[,[, ] ] ] ] ] ]
Response syntax: +CCFC: , [, , [,, [, ] ]
] [ +CCFC: , [, , [,,
[, ] ] ] [ … ] ]
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
+CCFC:1,2,”0146290802”,129
Note: Call forwarding active for data
+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 parameter, but only by the order of network response.