Quick Reference Guide
68
as an error. Make sure your modem’s square wave ring detection is
turned on (&RD1). Check the PBX manual to see if you can change
the internal dial tone; if you can’t, change your modem’s initializa-
tion string to replace X4 with X3, which will cause the modem to
ignore dial tones. (Note, however, that X3 is not allowed in some
countries, such as France and Spain.)
4
If the modem reports BUSY, the other number might be busy, in
which case you should try again later, or it might indicate that you
have failed to add a 9, prefix to the phone number if you must dial
9
for an outside line.
If you must dial
9
to get an outside line, the easiest way to dial it
automatically is to include it in the modem’s dial prefix, e.g.,
ATDT9,. Note the comma, which inserts a pause before the num-
ber is dialed. By inserting 9, into the dial prefix, you do not have to
include it in each directory entry.
To change the dial prefix in Windows 95 HyperTerminal, select
Connect from the Call menu, click Dialing Properties, and type 9 in
the local and long distance boxes in How I dial from this location.
4
If the modem reports
NO ANSWER
, the other system has failed to
go off-hook, or you might have dialed a wrong number. Check the
number.
4
If the modem reports
NO CARRIER
, the phone was answered at
the other end, but no connection was made. You might have dialed
a wrong number, and a person answered instead of a computer, or
you might have dialed the correct number but the other computer or
software was turned off or faulty. Check the number and try again,
or try calling another system to make sure your modem is working.
Also, try calling the number on your telephone. If you hear harsh
sounds, then a modem is answering the call, and the modems
might be having problems negotiating because of modem incom-
patibilities or line noise. Try connecting at a lower speed.
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