Multi-Tech Systems MT5600SMI-P32, MT5600SMI-XL34, MT5600SMI-P92 manual Voice Configuration Commands

Chapter 7 – Voice Commands

Voice Configuration Commands

Command: +FCLASS=8 Select Voice Mode

+FCLASS=8 selects the Voice Mode. The Voice Mode commands and responses described in this section are applicable when command +FCLASS=8. (See the Generic Modem Control section for the definition of the FCLASS command.)

Command: +VNH	Automatic Hang-up Control
	This command enables or disables automatic hangups.
Syntax:	+VNH=<hook>
Defined Values:	<hook> Decimal number corresponds to the selected option (Table 6-4).
	0	The modem enables automatic hangups as is normal in other modes.
	1	The modem disables automatic hangups usually found in the other
		non-Voice Modes.
	2	The modem disables automatic hangups in the other non-Voice
		Modes. The modem performs only a “logical” hangup (returns to OK
		result code).

Table 7-4. +VNH Command Behavior

		Command Response
Command	No Carrier	ATH	ATZ	DTR & D2
	Present
+VNH=0	Y	Y	Y	Y
+VNH=1	N	Y	Y	Y
+VNH=2	N	N	N	Y

Notes:

Y= will hang-up; N= will not hang-up.

How +VNH is reset:

DTE uses +VNH command to change setting.

DTE issues another +FCLASS mode change without issuing another +VNH.

A hang-up event occurs (see this table).

DTE issues +VIP command.

Reporting Current or Selected Values:

Command: +VNH?

Response: <hook>

Example: 0 For the default setting.

Reporting Supported Range of Parameter Values:

Command: +VNH=?

Response: (<hook> range)

Example: (0-2)

Result Codes:OK <hook> = 0-2.

ERROR Otherwise.

Multi-Tech Systems, Inc. SocketModem MT5600SMI Developer’s Guide 103