Glossary
Facility IE
A Q.931 Codeset 6 Information Element containing information to be passed between communications entities. This IE can be included in several Q.931 messages and, as a parameter, contains additional IEs within itself.
FACility Message
A Q.931 message sent during an ASAI association to convey information from one endpoint to another as part of the message exchange for that ASAI association.
Also used to pass change rate requests for the Flexible Billing feature to the 4ESS switch and to receive success or failure responses from the 4ESS switch.
Feature Access Code
A
Flexible Billing
A feature that allows ASAI to change the rate at which an incoming
I
ICP
Intelligent Call Processing
IE
Information Element
II- Digits
Information Identifier Digits
Information Element (IE)
A defined and identifiable structure within an ISDN message that contains particular information relevant to the call and that message. An ISDN message consists of an appropriate set of IEs, some mandatory and others optional.
Information Identifier (II) Digits
Information sent from the originating network ECS that identifies the type of originator (cellular, prison, etc.) for the call.
Intelligent Call Processing (ICP)
An advanced 800 service platform that supports “cooperative call processing” features between the AT&T network and a customer premises database. CINFO is one of the features supported over the ICP platform.
L
Listener
In the Selective Listening feature, the party that the talker has been
