Chapter 3 – Voice Commands

Table of +VLS Command Options

Label

Primitives

Description

 

+VTX

+VRX

+VSP=1

0

None

DCE on-hook. Local phone connected to the line.

 

 

 

1

T

DCE off-hook. DCE connected to the line. Local phone provided with

X

X

 

 

 

power to detect hook condition.

 

 

 

2

L

DCE on-hook. Local phone connected to the DCE.

X

X

 

3

LT

DCE off-hook. Local phone connected to the line.

X

X

 

 

 

DCE connected to the line.

 

 

 

4

S

Internal Speaker connected to the DCE. DCE on-hook.

X

 

 

 

 

Local phone connected to the line.

 

 

 

5

ST

Internal Speaker connected to the line. DCE off-hook. DCE connected

X

X

 

 

 

to the line. Local phone provided with power to detect hook condition.

 

 

 

6

M

Internal Microphone connected to the DCE. DCE on-hook.

 

X

 

 

 

Local phone connected to the line.

 

 

 

7

MST

Internal Microphone and Internal Speaker connected to the line. DCE

 

 

X

 

 

off-hook. DCE connected to the line. Local phone provided with

 

 

 

 

 

power to detect hook condition.

 

 

 

8

S1

External Speaker connected to the DCE. DCE on-hook. Local phone

X

 

 

 

 

connected to the line.

 

 

 

9

S1T

External Speaker connected to the line. DCE off-hook.

X

X

 

 

 

DCE connected to the line. Local phone provided with power to

 

 

 

 

 

detect hook condition.

 

 

 

10

MS1T

Internal microphone and External Speaker connected to the line. DCE

 

 

X

 

 

off-hook. DCE connected to the line.

 

 

 

 

 

Local phone provided with power to detect hook condition.

 

 

 

11

M1

External Microphone connected to the DCE. DCE on-hook.

 

X

 

 

 

Local phone connected to the line.

 

 

 

12

M1ST

External Microphone and Internal Speaker connected to the line.

 

 

X

 

 

DCE off-hook. DCE connected to the line. Local phone provided with

 

 

 

 

 

power to detect hook condition.

 

 

 

13

M1S1T

External Microphone and External Speaker connected to the line.

 

 

X

 

 

DCE off-hook. DCE connected to the line. Local phone provided with

 

 

 

 

 

power to detect hook condition.

 

 

 

14

H

External Microphone and Speaker combination (handset or headset)

X

X

 

 

 

connected to the DCE. DCE on-hook.

 

 

 

 

 

Local phone connected to the line.

 

 

 

15

HT

External Microphone and Speaker combination (handset or headset)

X

X

 

 

 

connected to the line. DCE off-hook. DCE connected to the line. Local

 

 

 

 

 

phone provided with power to detect hook condition.

 

 

 

16

MS

MS Internal Microphone and Internal Speaker connected to DCE.

 

 

 

17

M1S

MS1 Internal Microphone and External Speaker connected to DCE.

 

 

 

18

MS1

External Microphone and Internal Speaker connected to DCE.

 

 

 

19

M1S1

External Microphone and External Speaker connected to DCE.

 

 

 

Primitives (Column 2):

L

Local Phone.

 

 

 

 

 

 

T

Telephone Line.

 

 

 

 

 

 

M

Internal Microphone.

 

 

 

 

 

 

M1

External Microphone.

 

 

 

 

 

 

S

Internal Speaker.

 

 

 

 

 

 

S1

External Speaker.

 

 

 

 

 

 

H External Microphone and Speaker combination (handset or headset).

Note: All label options in this table may not be supported by the product; see +VLS command

 

 

Command: +VRA

Ringback Goes Away Timer

 

Description:

This command sets the length of time the modem will wait between ringbacks during call

 

origination before the modem can assume that the remote station has gone off-hook.

 

 

Syntax: +VRA=<interval>r r

 

Values:

<interval>

Decimal number (0-255) specifying the silence interval time in units of 0.10

 

 

second between the end of one ring interval and the start of the next ring

 

 

 

interval. A value of 0 forces the modem to report the OK result code

 

 

 

immediately after the first Ringback. Range is 0.1 to 25.5 seconds for

 

 

 

<interval> = 1 to 255.

 

Default:

Interval of 50 (5 seconds)

 

Report Commands:

+VRA?

Reports current of selected values.

 

 

+VRA=?

Reports supported range of parameter values.

 

 

 

Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273G)

33

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Image 33
Multi-Tech Systems MT5600BA-V92 manual Command +VRA Ringback Goes Away Timer, +VSP=1, Interval

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