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DEFINITY ECS Release 8.2
Administrator’s Guide
555-233-506
Issue 1
April 2000
Managing data calls
414Administered Connection
15
■ Class of Restriction
Reserve a COR for AC endpoints and SDDN trunks. This restricts
endpoints that are not involved in AC from connecting to SDDN trunks or
endpoints involved in AC.
■ Class of Service/Call Forwarding
Assign to an AC endpoint a COS that blocks Call Forwarding activation at
the endpoint.
■ Digital Multiplexed Interface (DMI)
Use DMI endpoints as the destination in an AC. DMI endpoints do not
have associated extensions, so do not use them as the originator in an AC.
■ Facility Test Calls
The feature does not apply to access endpoints because an access endpoint
acts as an endpoint rather than as a trunk.
■ Modem Pooling
If you require a modem in an AC, one is inserted automatically. If no
modem is available, the connection is dropped.
■ Non-Facility Associated Signaling (NFAS) and D-Channel Backup
Auto restoration for an AC that is initially routed over an NFAS facility
may fail if the only backup route is over the facility on which the backup
D-channel is administered. The backup D-channel may not come into
service in time to handle the restoration attempt.
■ Set Time Command
When you change the system time via the set time
command, all scheduled
ACs are examined. If the time change causes an active AC to be outside its
scheduled period, the AC is dropped. If the time change causes an inactive
AC to be within its scheduled period, the switch attempts to establish the
AC.
If any AC (scheduled or continuous) is in retry mode and the system time
changes, the switch attempts to establish the AC.
■ System Measurements
Access endpoints are not measured. All other trunks in an AC are measured
as usual.