Quectel M35 Command Manual page 159

Reference
GSM 07.07
Parameter
<n> 0
1
<mode> When <mode> parameter is not given, network is not interrogated
0
1
2
<class> A sum of integers, each integer represents a class of information
1
2
4
16
32
<status> 0
1
NOTES
1. <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.
2. When <mode>=2, all active call waiting classes will be reported. In this mode the command is
abortable by pressing any key.
3. Unsolicited result code
When the presentation call waiting at the TA is enabled (and call waiting is enabled) and a terminating
call set up during an established call, an unsolicited result code is returned:
+CCWA: <number>,<type>,<class>[,<alpha>]
Parameters
<number> Phone number in string type of calling address in format specified by <type>
<type> Type of address octet in integer format
<alpha> Optional string type alphanumeric representation of <number> corresponding to the
entry found in phone book
Example
M35_AT_Commands_Manual
OK
If error is related to ME functionality:
+CME ERROR: <err>
Disable presentation of an unsolicited result code
Enable presentation of an unsolicited result code
Disable
Enable
Query status
Voice (telephony)
Data (bearer service)
FAX(facsimile)
Data circuit sync
Data circuit async
Disable
Enable
129 Unknown type (IDSN format number)
145 International number type (ISDN format )
Confidential / Released
GSM/GPRS Module
M35 AT Commands Manual
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