SimCom SIM7500 Series

Smart Machine Smart Decision
SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
118
OK
6.9 AT+CCWA Call waiting
Description
This command allows control of the Call Waiting supplementary service. Activation, deactivation
and status query are supported. When querying the status of a network service (<mode>=2) the
response line for 'not active' case (<status>=0) should be returned only if service is not active for
any <class>. Parameter <n>
is used to disable/enable the presentation of an unsolicited result code
+CCWA: <number>,<type>,<class>
to the TE when call waiting service is enabled. Command
should be abortable when network is interrogated.
SIM PIN References
YES 3GPP TS 27.007
Syntax
Test Command Responses
AT+CCWA=?
+CCWA: (list of supported <n>s)
OK
Read Command Responses
AT+CCWA?
+CCWA: <n>
OK
Write Command Responses
AT+CCWA=
<n>[,<mode>[,<class>]]
When <mode>=2 and command successful:
+CCWA:<status>,<class>[<CR><LF>
+CCWA: <status>, <class>[...]]
OK
ERROR
+CME ERROR: <err>
Execution Command
Responses
AT+CCWA Set default value (<n>=0):
OK
Defined values
<n>
Sets/shows the result code presentation status in the TA
0 – disable
1 – enable
<mode>
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