
356 Appendix A: Network Examples
Enterprise Edge 2.0 Programming Operations Guide P0911588 Issue 01
• Program the Sched 4 Service setting to Auto and enable overflow routing by
changing the Overflow setting to Y (Yes).
• A control set must be defined for all sets on the system that make calls over IP
trunks. See Control set on page 92 for more information.
You must program Remote Packages so that the IP trunks in Pool A can access the
linesin Pool PRI-A in a toll bypass scenario. In other words, you must give package
01 access to pool PRI-A and you must assign package 01 to all IP trunks. For more
information, see Remote access packages on page 160.
Networking with QSIG (International systems only)
QSIGisanETSIstandard signallingformulti-vendorpeer-to-peercommunications
between PBXs and/or central offices.
This networking example shows a private network composed of one central PBX,
and two smaller sites with Enterprise Edge systems. This could represent a large
head office connected to several smaller branch offices. In this network, only the
head office has trunks connected to the public network. The branch offices access
the public network via the private connection to the head office.
Private network calls are made by dialing a 4-digit private network DN. For
example, if a user in the west end branch wishes to call a user in the east end branch
within the private network, they dial 6221. In this example, the private DN length
is 4 and the public DN length is 8. The public DN lengths depend on the market
profile which you have downloaded.
QSIG networking on page 357 illustrates this example. Refer to the following for
hardware and routing programming:
• Hardware programming for the branch offices on page 357
• Routing information for QSIG network example on page 358
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