Motorola SM56 manual +Vem, +Vgr, +Vgt, +Vip, +Vls, +Vnh, +Vpr, +Vra

Command

Option

Description

1-255

Produce DROFF/DRON, followed by RING after

delay of n/10 seconds

+VEM

Event Reporting and Masking Control

Data/Fax/Speakerphone modem only

Bit-mapped event control mask. See Event Report-

ing Word.

+VGR

Receive Gain

Data/Fax/Speakerphone modem only

0

Automatic Gain Control

1-255

Relative range, where 128 indicates a nominal value.

+VGT

Transmit Volume

Data/Fax/Speakerphone modem only

1-255

"Relative range, where 128 indicates a nominal

value.

+VIP

Initialize Voice Parameters

Data/Fax/Speakerphone modem only

Set speakerphone parameters to factory-default

options.

+VLS

Select Analog Source and Destination

Data/Fax/Speakerphone modem only

0

DCE (modem) on-hook

1

DCE off-hook, DCE connected to telco

8

DCE on-hook, DCE connected to speaker

9

speakerphone with mute enabled

11

DCE on-hook, DCE connected to microphone

13

DCE off-hook, DCE connected to telco, speaker, and

microphone (speakerphone)

+VNH

Automatic Hangup Control

Data/Fax/Speakerphone modem only

+VNH=0

Retain automatic hang-ups

+VNH=1

Disable DCE-initiated automatic hang-ups

+VNH=2

Disable all Automatic hang-ups

+VPR

Voice DTE-DCE Rate

Data/Fax/Speakerphone modem only

+VPR=0

Autobaud

+VRA

Ringback Gone Timer

Data/Fax/Speakerphone modem only