Multi-Tech Systems CDMA Wireless Modem Hang-up Voice +CHV, Dial Command for Voice Calls +CDV

Chapter 17 – Extended AT Commands in IS707.3

Hang-up Voice +CHV

Description: The numeric parameter is used to Hang-up a voice call. It terminates a voice connection previously established up +CDV (dial voice) or $QCCAV (answer voice). The only valid parameter is zero, which is optional.

Values:	<n>
	0: Hang-up voice call
	1-255: Reserved.
Syntax:	Command syntax: AT+CHV<n>
	Command	Possible Responses
	AT+CHV	OK
	Note: Display the current setting.	Note: Command is valid
	AT+CHV0	OK
	Note: Hang up the call.	Note: Command is valid

Dial Command for Voice Calls +CDV

Description: The numeric parameter is used to dial command for voice calls. The format of <dialstring> is identical to that for the ATD command. This command does not cause the DCE to change to the online state.

Syntax: Command syntax: AT+CDV=<dial_string>

Command	Possible Responses
AT+CDV?	ERROR
Note: Display the current setting.	Note: Command is not valid
AT+CDV=8583693450	OK
Note: Dial for voice call.	+WORG: 8583693450
	+WCNT: 3
	Note: Command is valid

IWF Content List +CGCAP

Description: This extended-format command requests the IWF to transmit one or more lines of information text in a specific format. The content is a list of additional capabilities and AT+ commands which is intended to permit the user of the IWF to identify the minimum capabilities of the IWF. This is used to determine if the services (such as +CIS707, +MS, +ES, +DS, and +FCLASS) can be performed by the IWF. See IS-131 on details and parameter use.

Syntax:	Command syntax: AT+CGCAP
	Command	Possible Responses
	AT+ CGCAP	+CGCAP:
	Note: Display the current setting.	OK
		Note: Command is valid
	AT+ CGCAP=0	ERROR
	Note: Set the value to 0.	Note: Command is not valid

Multi-Tech Systems, Inc. CDMA Wireless AT Commands - PN S000294C 146