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: <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.