Lucent Technologies 555-670-116 Release 4.2 Enhancements June, Issue, Pocket Reference, April

MERLIN LEGEND Communications System Release 7.0	Issue 1
Pocket Reference 555-670-116	April 1999
Release 4.2 Enhancements (June 1997)	15

If these telephones are connected to communications system releases prior to 5.0, they are recognized by the communications system as 10-button telephones.

Release 4.2 Enhancements (June 1997)

Release 4.2 includes all Release 4.1 functionality, plus the enhancements listed below. There are no hardware changes for Release 4.2.

■Additional Network Switch and Services Options for ISDN Primary Rate Interface (PRI)

Release 4.2 of the system supports connectivity to MCI® or local exchange carrier (LEC) PRI services and to the following

central office switch types (in addition to the 4ESS™ and 5ESS®switch types that carry AT&T Switched Network services):

—NORTEL® DMS™-100 BCS 36 for local exchange carrier services.

—NORTEL DMS-250 generic MCI07, serving the MCI network.

—Digital Switch Corporation DEX600E generic 500-39.30, serving the MCI network.

Beginning with Release 4.2, the following MCI PRI and PRI local exchange carrier (LEC) services (along with AT&T Switched Network services) can be provided to users of the MERLIN LEGEND Communications System:

—MCI Toll Services for DMS-250 or DEX600E switch type:

—MCI Prism®service for domestic outgoing long-distance and international voice calls; for domestic outgoing 56- kbps restricted, 64-kbps unrestricted, and 64-kbps restricted circuit-switched data calls.

—MCI VNet®service for incoming and outgoing domestic and voice calls; for 56-kbps restricted, 64-kbps restricted, and 64-kbps unrestricted circuit-switched data calls.

—MCI 800 for domestic, toll-free incoming voice calls.

—MCI 900 service numbers.

—LEC services for DMS-100 switch types:

—DMS Virtual Private Network service for calls between the MERLIN LEGEND Communications System and another communications system (such as another MERLIN LEGEND Communications System).

—DMS INWATS (Inward Wide Area Telephone Service) for domestic toll-free incoming voice calls.

—DMS OUTWATS (Outward Wide Area Telephone Service) for domestic outgoing long-distance voice calls.

—DMS FX (foreign exchange) to provide local call rating for calls from the local exchange to the area serviced by the foreign exchange.

—DMS tie trunk service to provide private exchange call rating for calls placed on a dedicated central office facility between the MERLIN LEGEND Communications System and another communications system.