Lucent Technologies 555-235-100 manual Type of private network you establish

10 Network Interfaces and Equipment

• 800-service trunks, which let your business pay the charges for inbound long- distance calls so that callers can reach you toll-free

	• Direct Inward Dialing trunks, which connect DEFINITY ProLogix Solutions to
	the local central office for incoming calls dialed directly to stations without
	attendant assistance
	• Digital Service 1 trunks, which can be used to provide T1 or ISDN Primary Rate
	Interface service
Tie Trunks	Tie trunks carry communications between DEFINITY ProLogix Solutions and other
	switches in a private network. Several types of trunks can be used, depending on the
	type of private network you establish.
Auxiliary Trunks	Auxiliary trunks connect devices with the switch. Some of the features that are
	supported with this type of trunk are recorded announcements, telephone dictation
	service, malicious call trace, and loudspeaker paging.

Centralized

Automatic Message

Accounting (CAMA)

and Enhanced 911

Trunks

The Enhanced 911/Centralized Automatic Message Accounting (CAMA) trunk interface circuit pack enables DFEINTIY ProLogix Solutions to interface with Centralized Automatic Message Accounting trunks to provide Caller’s Emergency Service Identification (CESID) information to the local community’s Enhanced 911 system through the local central office. With this feature, Enhanced 911 systems can see the extension number on the DEFINITY ProLogix Solutions system. This is required by some legislative and regulatory laws in certain states in the United States.

DEFINITY ProLogix Solutions Release 2 Overview 555-235-100 Issue 2 June 1999 10-16