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MERLIN LEGEND Communications System Release 7.0
Pocket Reference
555-670-116
Issue 1
April 1999
8
Release 6.0 Enhancements (February 1998)
— Toll Savings. Private networked trunks may allow you to
realize significant cost savings on long-distance and toll calls
by performing tandem switching in the following two ways:
— Callers on a local system, or individuals dialing in to
remote access at a local system, can reach the public
switched telephone network (PSTN) via outside trunks
connected to other systems in a private network, avoiding
toll charges or decreasing the cost of toll calls. No special
dialing is required. For example, an organization might
have a main office in Boston and a subsidiary office in
New Jersey connected by networked private tandem
trunks between two systems. A user in the New Jersey
office who wishes to make an outside call to the 617 area
code (Boston) can do so through a line/trunk connected to
the system in Boston. For example, he or she might dial,
916175551211. The local ARS tables would route this
call over the private networked trunks and use the ARS
tables of the remote system in Boston to route this call.
The system managers at each end of a private network set
up ARS and Remote Access features to implement this
functionality.
— In addition, local organizations or incoming DID calls use
private networked trunks to make intersystem calls
between networked systems, which may be
geographically distant from one another, also resulting in
toll savings.
— Service Cost Savings. In addition to toll call savings, there
are two ways that organizations can save on service costs
incurred from telecommunications providers that provide
public switched telephone network access:
— You order a point to point T1 facility from a service
provider, then use system programming to set it up for PRI
signalling. As necessary, a service provider can provide
amplification on the T1 facility, but does not supply
switching services.
— You can tailor your use of PRI B-channels with drop-and-
insert equipment that allows fractional use of B-channels
for dedicated data/video communications between
systems at speeds greater than 64 kbps per channel or
128 kbps for 2B data, while keeping the remaining B-
channels available for PRI voice traffic. The PRI
D-channel must remain active.
— You can tailor use of T1 channels to support both T1-
emulated tandem tie service and T1 Switched 56 service
for data communications at 56 kbps per channel, allowing
2B data transfers at 112 kbps. You can also use drop-and-
insert equipment to provide fractional T1 use.
— Voice Mail and Auto Attendant. Networked systems (prior
to Release 6.1) should have their own local voice mail and/or
auto attendant applications as well as their own external
alerts and Music-On-Hold sources. A single Auto Attendant,
however, can transfer calls throughout the network. It can
answer only those calls that arrive on the PSTN facilities of
the system where it is connected.