Rainbow Electronics FARGO MAESTRO 100 (with TCP_IP) User Manual
Page 536

Supplementary Services Commands
Call Waiting +CCWA
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WM_DEV_OAT_UGD_049 - 001
VOLUME 3
August 23, 2007
20.9.4
Parameter Storage
The <n> parameter is stored in EEPROM without using AT&W command. The default
value can be restored using AT&F
20.9.5
Examples
Command
Responses
AT+CCWA=?
+CCWA: (0,1)
OK
AT+CCWA=1,1,1
OK
Note: Enable call waiting for voice calls
AT+CCWA=1,2
+CCWA:1,1
OK
Note: Interrogate call waiting
Note: Call waiting active for voice calls
+CCWA:"0146290800",145,1,
"FREDDY"
Note: Number and name of the waiting voice call
+CCWA:"0146290800",145,1,"802345967
8FFFF"
Note: Number and name of the waiting voice call (UCS2
format)
AT+CCWA=1,0,7
OK
Note: Erase call waiting