User's Guide

8400B Plus Data Module User’s Guide 555-020-709
Issue 2
November 1996
Troubleshooting
4-6
How to Use This Chapter
The speakerphone
turns on when a
voice call is dialed,
and a dial tone is
heard, but
touch-tones are not
heard.
Incorrect option
settings.
Change the
Telephone Provides
Dialing
option to Yes .
Dial tone and voice
sounds are
distorted.
Incorrect option
settings.
Change the
US Companding option to
Yes to enable Mu-Law companding
(within the US), or to
No to enable
A-Law companding (outside of the US).
Data calls are dialed
instead of voice
calls.
Incorrect dial
modifier is used
with the
ATD dial
command.
Change the PC communications
package to use Pulse dialing, or insert
a P as the first digit of the telephone
number.
Dialing begins
before the dial tone
is heard on a voice
call.
Incorrect blind dial
delay.
Check the value stored in S-register S6
by typing
ATS6?
nnn (system responds with value)
OK
Add 1 second to the above value by
typing
ATS6= (nnn+1)
OK
and try again.
Table 4-1. Troubleshooting Guidelines
Symptom Problem Solution
ENTER
ENTER
020709_2.book Page 6 Friday, April 23, 1999 5:39 AM