MERLIN LEGEND Communications System Release 6.1
Feature Reference
555-661-110
Issue 1
August 1998
Features
Page 483Pools
— The local system must have its networked trunks assigned to the main
pool.
— The local ARS access code is automatically prepended to the dialed
number.
— The local ARS access code must match that of a remote system that is
networked to the local system.
CAUTION:
!
Because of the above requirement, it is a good idea for all systems in
a private network to use the same ARS access code. If a networked
system without PSTN trunks is in the same location as another
networked system over which Special Numbers calls can go out to
the PSTN and reach correct services, then the arrangement
described above is practical. However, in most cases, each system in
a network should have at least one loop-start line, which is assigned
to the main pool and available in the event of a power failure. This
allows Special Number calls (911 calls, for example) to reach the
correct local services. It also means that IXC calls are routed to the
main pool analog line(s). If many IXC calls are made, then the
number of lines assigned to the main pool must be increased.
■ If a networked system has no trunks connected to the public switched
telephone network, the following pool and ARS assignments are required
in order to make Dial 0 or N11 calls:
— The local system must have its networked trunks assigned to the main
pool.
— The local ARS programming must prepend the ARS access code of the
remote switch that is directly connected to the local private network
trunks.
■ If remote users are going to use networked lines connected to your local
system, the Remote Access feature is used to set them up. See “Remote
Access” on page 578 and “Tandem Switching” on page 671.
Considerations and Constraints 31
The maximum number of Pool buttons that can be assigned to multiline
telephones, excluding QCCs, is limited only by the maximum number of pools
allowed (11) and the number of buttons on the telephone. The number of
lines/trunks in each pool is limited only by the number of lines/trunks connected to
the system. A line/trunk can be assigned to only one pool.
Each pool should contain the same type of lines/trunks (for example, basic,
WATS, data-only, or foreign exchange) because users cannot control the specific
trunks selected by the system. Ground-start and loop-start lines/trunks of the
same type (for example, WATS) can be mixed in the same pool. DID trunks
should not be put into pools; lines/trunks used for Music On Hold or maintenance
alarms cannot be grouped into pools. Also, dial-in tie trunks should not be placed
in a pool that is assigned to a button on the telephone.
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