User's Guide

The Operational View SB300 Series
Page 76 Proprietary and Confidential 2110059 Rev 1.1
Wireline Problems (continued)
Problem Description Suggestions
The modem does not go off-
hook and begin dialing.
Verify the duration of DTMF tones (register S11) is sufficient to break
dial tone.
Verify the telephone line is analogue and not digital.
The modem won’t recognize
the local dial tone.
Disable the dial tone detection using ATX0 or ATX1. Ensure the
setting of Wait For Blind Dial (S6) is sufficiently long.
Modem intermittently
disconnects.
Ensure the telephone line does not support call waiting. If it does then
disable the feature. Consult your local telephone company to determine
how this is done.