AT&T 3.0 manual Ami, Ani, Ars, Ascap, Asn

Glossary

AMI	(alternate mark inversion) Line coding format in which a
	binary one is represented by a positive or negative pulse,
	a binary zero is represented by no line signal, and
	subsequent binary ones must alternate in polarity;
	otherwise, a bipolar violation occurs. AMI is used in the
	DS1 interface.
analog transmission	Mode of transmission in which information is represented
	in continuously variable physical quantities such as
	amplitude, frequency, phase, or resistance. See also
	digital transmission.
analog data station	See modem data station.
ANI	(automatic number identification) Process of automatically
	identifying a caller’s billing number and transmitting that
	number from the caller’s local central office to another
	point on or off the public network.
application	Software and/or hardware that adds functional capabilities
	to the system. For example, MERLIN Identifier is an
	application that provides caller identification information (if
	available in the local area or jurisdiction).
ARS	(Automatic Route Selection) System feature that routes
	calls on outside trunks according to the number dialed
	and trunk availability.
ASCAP	(American Society of Composers, Artists, and Producers)
ASN	(AT&T Switched Network) AT&T telecommunications
	services provided through an Integrated Digital Services
	Network Primary Rate Interface (ISDN-PRI) trunk, Accunet
	switched digital service, Megacom, Megacom 800,
	Software Defined Network (SDN), Multiquest, and Shared
	Access for Switch Services (SASS).

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