ISDN Configuration Guide
D-5
The table below shows which suppor ted switch types can allow an
incoming call when ACO for data is on.
* Must have two director y numbers assigned.
This table may not be a complete list of switch protocols that
suppor t ACO. To find out if your switch protocol suppor ts ACO, or to
turn ACO on, contact your ISDN ser vice provider.
Other incoming call restrictions
A B-channel will not be relinquished to admit an incoming call if a
connection profile has
B-Channel Usage
set to
2 B-Channels
.
A B-channel will not be relinquished to admit an incoming call when
there are two separate concurrent calls. Incoming calls are
automatically allowed in when there is at least one B-channel free.
If ACO is on . . .
Type of switch:
AT&T 5ESS
custom
AT&T 5ESS
National ISDN-1
DMS-100
custom
DMS-100
National ISDN-1
Incoming call allowed?
N/A
Yes
Yes*
Yes*
Summary of Contents for 430 S/T
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