Smart Machine Smart Decision
SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
When <mode> parameter is not given, network is not interrogated:
0 – disable
1 – enable
2 – query status
<class>
It is a sum of integers each representing a class of information (default 7)
1 – voice (telephony)
2 – data (refers to all bearer services)
4 – fax (facsimile services)
7 – voice,data and fax(1+2+4)
8 – short message service
16 – data circuit sync
32 – data circuit async
64 – dedicated packet access
128 – dedicated PAD access
255 – The value 255 covers all classes
1 – active
<number>
String type phone number of calling address in format specified by <type>.
<type>
Type of address octet in integer format;
128 – Restricted number type includes unknown type and format
145 – International number type
129 – Otherwise
Examples
AT+CCWA=?
OK
+CCWA: 0
6.10 AT+CHLD Call related supplementary services
Description