Multitech BL-Series User Manual download pdf (Page 31)

AT Commands for the MT5656ZDX, MT5600ZDX, MT5600BA/BL-Series Modems

Multi-Tech Systems, Inc. Commands Reference Guide (PN S000273D)

–STE= Set Telephony Extension Continued

NO CARRIER Remote modem drops line

ATS86=?

025

Modem is in answer machine mode and an extension goes off-hook

AT-STE=2

AT+FCLASS=8

<DLE>h Local handset on-hook

<DLE>R Ring

AT+VLS=1

AT+VSM=1,8000

AT+VTX Starts to play greeting message

<DLE>P User picks up extension

<DLE>! DTE send abort to end playback

AT+VLS=0 DTE hangs up.

Automated system that needs to periodically use the line while giving the voice user

the highest priority

A common use for these features: An automated system that needs to periodically use

the line while giving the voice user the highest priority. The automated system makes a

connection when the line is free. It does this without disturbing the line if the line is in

use. The automated system periodically retries the connection until the line is free. Once

free, it dials and makes its connection. If a voice user wishes to use the line while the

modem is connected. the modem drops the line and gives it to the user. The modem will

then try to regain control of the line by once again periodically retrying to establish a

connection.

AT-STE=7

ATDT5551212

CONNECT

Sometime later, the user picks up phone

NO CARRIER

ATS86?

Delay 30 seconds

ATDT5551212

LINE-IN-USE

Try again some time later user hangs up the phone

CONNECT

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Multitech BL-Series User Manual Page 31