Telebit T1600 Reference Manual page 162

Call Establlshment -
deals with
problems that may occur while
attempting to place or answer a call up
to the point at which data can be
exchanged across the communications
link.
If you have problems placing or
answering a cal.
• Csll In Progress -
addresses problems
that may occur while actually
transmitting information between two
locations.
Some of the problems that can occur
while a call is in progress are: lost or
garbled data, the modems unexpectedly
stop communicating, or the connection
is prematurely dropped. If you
experience problems in any of these
areas.
Troubleshooting 7-5