Installation and Maintenance Manual - Aastra 5000 AMT/PTD/PBX/0058/4/6/EN
Introduction 01/2011 Page 31
IVS Integrated Voice Server
DLT Digital Link Terminal
DNT Digital Network Terminal
TWP Telephony Web Portal
DAU Delocated Acquisition Unit
CPU Central Processing Unit
UCV Central Processing Unit card
VPIM Voice Profil for Internet Mail
VTI/XML Virtual Terminal Interface / eXtended MarKup Language
VU Version Upgrade
WAN Wide Area Network
1.5 Terms and expressions
Aastra X series : This term refers to all AXS, AXL and AXD PBXs.
Aastra 5000 or A5000 Server: Telephone switching system hosted on a PC running with
Linux Redhat
AXS, AXL, AXD: A5000 series physical gateways
Aastra Management 7450 or AM7450: Systems management centre
1.6 Definition
Synchronous announcements
Announcements synchronised with start of call.
ACD
Automatic call distribution used to optimise the number of replies and response time
relating to the number of operator sets in a single or multisite installation.
dect base stations
Base stations providing radio coverage over a given zone, and offering several
simultaneous communication channels with wireless telephones.
B-channel
Speech or data transmission channel in circuit mode.
D-channel
Data transmission channel in packet mode.
Signalling channel
Virtual link between 2 sites, for conveying MOVACS signals when setting up a telephone
call. Used for proprietary signalling and system data (billing tickets, management centre,
directory).
BTX card
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