User guide

Chapter 9 – Call Control Commands
Multi-Tech Systems, Inc. CDMA C1 AT Commands Reference Guide (PN S000478C) 44
ATD858551212
Note: Make a voice call
AT+WFSH=6195552121
Note: Place first call on hold, connect to second
party.
AT+WFSH
Note: Connect all 3 parties.
AT+WFSH
ATH
OK
+WORG:858551212
+WCNT:3
Note: Conversation...
OK
+WFSH
Note Modem now places first call on hold
and attempts connection to second call.
OK
+WFSH
Note: All 3 parties now connected.
OK
+WFSH
Note: Disconnect second party, connected
to first party only.
OK
+WEND:10
Flash Indication for +WFSH:
This response confirms that a flash has been sent to the base station.
Response Syntax: +WFSH
Command Possible Responses
AT+WFSH OK
+WFSH
Send DTMF Tones +VTS
Description: The product supports the ability of the user application to send burst DTMF tones over the CDMA
network. This command enables the transmission of burst DTMF tones.
To transmit DTMF tones (only when there is an active call), the application use ATS11 to
configure the DTMF durations.
Syntax: Command syntax: AT+VTS=<Tone>
Command Possible Responses
ATD858551212
Note: Make a voice call
OK
+WORG:8585551212
+WCNT: 3 Note: Conversation…
+CCWA:”8582701234”,129
Note: Indication of another incoming call
AT+VTS=1
Note: Send DTMF tone associated with the value of 1
OK
ATH
Note: Release all calls
OK
+WEND: 29
Note: All calls end
Values: <tone> 0-9, *, #