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Glossary and Abbreviations
H
1802
Administrator’s Guide for Avaya Communication Manager
November 2003
ground-start trunk
A trunk on which, for outgoing calls, the system transmits a request for services to a distant switching
system by grounding the trunk ring lead. To receive the digits of the called number, that system
grounds the trunk tip lead. When the system detects this ground, the digits are sent.
GRS
Generalized Route Selection
GUI
graphical user interface
H
H0
An ISDN information transfer rate for 384-kbps data defined by CCITT and ANSI standards.
H11
An ISDN information transfer rate for 1536-kbps data defined by CCITT and ANSI standards.
H12
An ISDN information transfer rate for 1920-kbps data defined by CCITT and ANSI standards.
handshaking logic
A format used to initiate a data connection between two data module devices.
hertz (Hz)
A unit of frequency equal to one cycle per second.
HFAI
Hands Free Automatic Answer on Intercom
high-reliability system
A system having the following: two control carriers, duplicate expansion interface (EI) circuit packs
in the PPN (in G3r with CSS), and duplicate switch node clock circuit packs in the switch node (SN)
carriers. See also
duplicated common control
,
duplication
,
duplication option
, and
critical-reliability
system
.
HNPA
See
home numbering-plan area code (HNPA)
.
holding time
The total length of time in minutes and seconds that a facility is used during a call.
home numbering-plan area code (HNPA)
The local area code. The area code does not have to be dialed to call numbers within the local
geographical area.
hop
Nondirect communication between two switch communications interfaces (SCI) where the SCI
message passes automatically without intermediate processing through one or more intermediate
SCIs.
host computer
A computer, connected to a network, that processes data from data-entry devices.
hunt group
A group of extensions that are assigned the Station Hunting feature so that a call to a busy extension
reroutes to an idle extension in the group. See also
ACD work mode
.
Содержание Communication Manager
Страница 320: ...Setting Up Telecommuting Training Users 320 Administrator s Guide for Avaya Communication Manager November 2003...
Страница 416: ...Managing Group Communications Observing Calls 416 Administrator s Guide for Avaya Communication Manager November 2003...
Страница 502: ...Administering Media Servers SNMP Agents 502 Administrator s Guide for Avaya Communication Manager November 2003...
Страница 602: ...Phone Reference Internet Protocol IP Softphones 602 Administrator s Guide for Avaya Communication Manager November 2003...
Страница 1338: ...Screen Reference Vector Directory Number 1338 Administrator s Guide for Avaya Communication Manager November 2003...
Страница 1832: ...Glossary and Abbreviations Z 1832 Administrator s Guide for Avaya Communication Manager November 2003...
Страница 1854: ...Index X 1854 Administrator s Guide for Avaya Communication Manager November 2003...