Lucent Technologies MERLIN LEGEND Release 7.0 Feature Reference page 577

MERLIN LEGEND Communications System Release 7.0
Feature Reference 555-670-110
Features
Primary Rate Interface (PRI) and T1
OUTGOING LINE
IS SELECTABLE
BY USER
Figure 26.
In Release 6.0 and later systems (Hybrid/PBX mode only), PRI tandem trunks are
available to network MERLIN LEGEND Communications Systems with one
another or with DEFINITY ECS and DEFINITY ProLogix Solutions
communications systems, providing smoother operation, additional features, and
easier management than the networking available in earlier releases. Tandem PRI
trunks are private trunks that may use central office switches in the PSTN for
amplification over long distances but do not use central office facilities for
switching. For details, see
PRI service offers the following benefits:
Network Subscriber Service Options. Release 4.2 and later systems
support network services from AT&T, MCI, and the DMS-100 5ESS
network of local exchange carriers. (Prior releases support AT&T
subscriber 5ESS LEC subscriber services only.) These services are
described in
systems, tandem networking is supported by using PRI, T1-emulated
voice, and T1-emulated data trunks as tandem trunks in private networks
of systems.
PRI
Line 849
PRI
Line 850
PRI
Line 851
PRI
Line 852
PRI Lines and B-Channel Groups
''Tandem PRI Trunks'' on page
''Type of Service'' on page
Line 801
Line 802
Line 803
Line 804
B-CHANNEL
B-channels
GROUP
522. In Release 6.0 and later
Issue 1
April 1999
517
Trunks:
Loop-start
Ground-start
Tie
DID
PRI
527.