circum  Computer Telephony (CTI) Acronyms  circum


AA
Auto Attendant that typically answers calls, asks you for a phone extension, and then transfers the call.
ACD
Automatic Call Distribution involves switching hardware or software to that evenly distributes incoming calls to available operators.
API
Application Programming Interface tht sits between an application program and a control program such as Windows 98 or 2000.
APP
Application software.
BRI
ISDN Basic Rate Interface that consists of two 64Kbps Bearer channels and one 15Kbps Data channel. See PRI.
Call Center
The cnetral hub where incoming calls are handled by operators. ACD's are employed to ensure that the call load is shared evenly.
CO
Central Office.
CT
Computer Telephony often referred from its more basic term CTI.
DID
Direct Inward Dial is a special circuit from the phone company that can have many phone numbers assigned to it. An incoming call to any of the assigned numbers is then sent over the assigned circuit.
IT
Information Technology.
IVR
Interactive Voice Response allows a caller to access a database through touch tone such as fax-on-demand services.
Killer App
An amazingly useful and easy to sell application such as Unifed Messaging could be a Killer App.
KSU
Key Service Unit is a small phone system.
PBX
Private Branch Exchange, a private telecom switch, similiar to a CO, and larger than a KSU.
PRI
ISDN Primary Rate Interface that contains twenty-three 64Kbps Bearer channels and one 64Kbps Data channel. It has the same bandwidth as a T-1 but is more flexible.
PSTN
Public Switched Telephone Network.
T-1
A digital line with a capacity of 1.544Mbps that usually consists of twenty-four 64Kbps channels.
TAPI
Telephony Application Programming Interface, a Microsoft and Intel API technology.
TSAPI
Telephony Systems API, a Novell and AT&T API technology. TAPI and TSAPI are competing standards that enable switch manufacturers and software developers to create products that interoperate.

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Date of last revision: 17 December 2001
Extracted from the Managing Office Technology, March 1998, page 35.