SIM5300E AT Command Manual V1.02
If error is related to ME functionality:
+CME ERROR: <err>
Note:
<status>=0 should be returned only if service is not active for any <class>
i.e. +CCWA: 0, 7 will be returned in this case.
When mode=2, all active call waiting classes will be reported. In this mode the
Command is aborted by pressing any key.
Unsolicited result code
RING
+CCWA: <number>,<type>,<classx>,,<CLI validity>
Parameters
<number> String type (string should be included in quotation marks) phone
number of calling address in format specified by <type>
<type> Type of address octet in integer format;
129 Unknown type
161 National number type
145 International number type
177 Network specific number
<CLI validity>: integer type
0 CLI valid
1 CLI has been withheld by the originator.
2
CLI is not available due to interworking problems or limitations
of originating network.
<n>
0 Disable presentation of an unsolicited result code
1 Enable presentation of an unsolicited result code
<mode> When <mode> parameter not given, network is not interrogated
1 Enable call waiting
2 Query status
<class> Is a sum of integers each representing a class of information
1 Voice (telephony)
2 D
ata (refers to all bearer services; with <mode>=2 this may refer
only to some bearer service if TA does not support values 16, 32,
64 and 128
3 Default value(1+2)
4 Fax (facsimile services)
7 All classes
16 data circuit sync
32 data circuit async