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MERLIN LEGEND Communications System Release 5.0
System Manager’s Guide
555-650-118
Issue 1
June 1997
System Components
Page 3-8Control Unit
3
NOTES:
1. In releases prior to 4.2, only AT&T services for Lucent
Technologies generic 4ESS, Lucent Technologies 5ESS, and
other providers’ emulations of these services are supported.
Release 4.2 and later systems support services on NORTEL
DMS-100 generic BCS 36 serving local exchange carriers,
NORTEL DMS-250 generic MCI07 serving the MCI network, and
Digital Switch Corporation DEX 600E generic 500-39.30 serving
the MCI network.
2. For the DMS-100 or DMS-250 switch type, you must give special
instructions to the service provider to use variant NTNAPRI
(Northern Telecom North America Primary Rate Interface)
instead of the AT&T protocol. For the DEX600E switch type,
instruct the service provider to use the profile p250. For
additional information, refer to
System Planning
or contact your
Lucent Technologies representative.
PRI supports
routing by dial plan
for DID-like call-handling. This is
especially appropriate for Caller ID services such as AT&T’s Station
Identification/Automatic Number Identification or the AT&T and MCI Dialed
Number Identification Service (DNIS) when your company subscribes.
DNIS routes incoming 800 or 900 calls according to customer-selected
parameters, such as area code, state, or time of call. For example, a
customer can specify that calls received from a particular area code be
routed to a specific individual or group responsible for accounts in the area.
The system’s PRI platform allows you to choose any combination of the
telecommunications company services listed below (your company must
subscribe to these).
— MCI Services (Release 4.2 and later systems only). Domestic outgoing
long-distance and international voice calls; domestic incoming toll-free
800 voice calls; 900 service numbers; and private network voice calls as
well as 56- and 64-kbps restricted and unrestricted circuit-switched data
calls.
— Local DMS-100 Services (Release 4.2 and later systems only).
Available from local carriers: private network or tie trunk service for calls
between the MERLIN LEGEND Communications System and another
communications system (such as another MERLIN LEGEND
Communications System); outbound WATS for domestic outgoing
long-distance calls; inbound WATS for domestic toll-free incoming voice
calls; and, foreign exchange service.
— AT&T Services. Domestic outgoing long-distance and voice calls;
56-and 64-kbps circuit-switched data calls with routing by dial plan; 900
service numbers; outbound WATS for domestic outgoing long-distance
calls; and domestic toll-free incoming voice calls.