Multi-Tech Systems ISIHP-2U - Manual (Page 145)

Troubleshooting
MultiModemISI Hybrid Series, ISIHP-2S/2U/4S/4U/4SD 145
call (see Chapter 3).
You can place data calls but not voice calls, or vice versa
• You might not have ordered both voice and data service from your
ISDN provider. Check your contract or latest statement of service
from your ISDN provider.
• Your ISDN provider may have programmed the switch incorrectly.
Call the provider.
You cannot place two simultaneous data calls
• You may not have ordered an ISDN line configuration that supports
two simultaneous calls. Check your contract or latest statement of
service from your ISDN provider. Also, your ISDN provider may
have programmed the switch incorrectly. Call the provider.
• You may have misconfigured your TA to dial two simultaneous data
calls. The command AT&J1&W0<cr> is used to indicate whether
outgoing calls should be made on two B-channels by default.
• You may be using the wrong bundling dial modifier (e.g.,
ATD7853500&7853502<cr>). The ampersand in this command
string is correct. Note other valid characters joining two telephone
numbers include a Plus Sign (+) and an exclamation Mark (!).
Note: In Windows 95, if the Use Country Code and Area Code box is
checked in the Properties window for dial-up connection, the bundling
modifier (i.e., &, + or !) is removed from the dialing string when the user
attempts to make a connection. The solution is to not check the Use
Country Code and Area Code box or to simply add the bundling dial
modifier to the phone number at the time of connection.
The terminal adapter disconnects while online
• Check for loose connections between the computer, the ISDN jack,
and AC power.
• The problem may have originated at the other end of the line. Try
again.
• If you were online with a BBS or online service, it may have hung up
due to lack of activity on your part or because you exceeded your