Multi-Tech Systems MT3410ZLX-T/2 Manual De Usuario

C:

There may be a problem with the remote
modem if you do not hear the high pitched tone
from the remote modem.

S:

Run the Remote Digital Loopback Test (

command).

C:

The telephone line may be noisy or bad.

S:

Hang up the call and try to connect again for
getting a better telephone line.

C:

If there are other telephones on the same line
that your modem is using, someone may have
picked up a telephone on that extension.

C:

Your telephone line may have the call waiting
feature.

S:

Try adding 

*70 to your ATDT dialing command

line. If it doesn’t help, ask your telephone
company how to temporarily disable call
waiting.

S:

Try to use V.42 or MNP1-4 if possible.

S:

Connect the modems at a slower baud rate.