
Neo_WM620 WCDMA Module AT Command Set
Copyright © Neoway Technology Co., Ltd
52
2: query status
<classx>: 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)
8: short message service
16: data circuit sync
32: data circuit async
64: dedicated packet access
128: dedicated PAD access
<status>:
0: not active
1: active
<number>: string type phone number of calling address in format specified by <type>
<type>: type of address octet in integer format (refer TS 24.008 [8] subclause 10.5.4.7)
Return
Value
when <mode>=2 and command successful
+CCWA: <status>,<class1>[<CR><LF>+CCWA: <status>,<class2>[...]]
Example
AT+CCWA=1,1
OK
Set call waiting and enable callee ID
display.
AT+CCWA=?
+CCWA: (0-1)
OK
Query the value range of the
parameter <n>.
AT+CCWA?
+CCWA: 0
OK
Query the current call waiting setting.
Remarks
Call-related supplementary services are required.
7.3 Call Holding and Multi-party Conversation: +CHLD
Description
To set call on hold and add it to a conversation
Format
AT+CHLD=<n> <CR>
AT+CHLD=? <CR>
Parameter
<n>: (sets/shows the result code presentation status to the TE)
0: Releases all held calls, or sets User-Determined User Busy for a waiting call
1: Releases all active calls and accepts the other (waiting or held) call
1x: Releases the specific active call X
2: Places all active calls on hold and accepts the other (held or waiting) call’