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MERLIN LEGEND Communications System Release 6.1
Network Reference
555-661-150
Issue 1
August 1998
Introduction
Page 1-16Tandem Trunking and Tandem Switching
1
Figure 1–6. Star Configuration: Five Systems
Figure 1–6
again shows the star configuration we looked at earlier in this chapter.
All systems enjoy the advantages of PRI tandem trunks, which are made possible
in this larger private network by the greater line capacity of the hub DEFINITY
ECS or DEFINITY ProLogix Solutions, System E. In this private network, the
systems may be spread across thousands of miles and realize considerable toll
savings on intersystem calls and long-distance ARS calls. Although not shown,
each system has its own voice mail/automated attendant system because the
MERLIN LEGEND systems and the DEFINITY system cannot share voice
messaging systems.
ML B
ML D
ML A
ML C
PSTN
PSTN
PSTN
PSTN
PRI
PRI
PRI
PRI
DEF E