UMTS/HSPA Module Series
WCDMA UGxx AT Commands Manual
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OK
AT+CCFC=0,4
//Erase the registered CFU destination number
OK
AT+CCFC=0,2
//Query the status, no destination number
+CCFC: 0,255
OK
11.2. AT+CCWA Call Waiting Control
The AT+CCWA command allows control of the call waiting supplementary service according to 3GPP TS
22.083. Activation, deactivation and status query are supported.
AT+CCWA Call Waiting Control
Test Command
AT+CCWA=?
Response
+CCWA:
(list of supported
<n>
s)
OK
Read Command
AT+CCWA?
Response
+CCWA: <n>
OK
Write Command
AT+CCWA=[<n>[,<mode>[,<class>]]]
Response
TA controls the call waiting supplementary service. Activation,
deactivation and status query are supported.
If
<mode>
<>2 and command successful:
OK
If
<mode>
=2 and command successful:
+CCWA: <status>,<class1>[<CR><LF><CR><LF>+CCWA:
<status>,<class2>[...]]
OK
If error is related to ME functionality:
+CME ERROR: <err>
Maximum Response Time
300ms
Reference
3GPP TS 27.007
Quectel
Confidential