
TD 92407GB
2007-12-10/ Ver. D
Function description
Ascom IP-DECT System
1
1 Introduction
The Ascom Voice over Internet Protocol (VoIP) system provides wireless IP-telefony and
messaging to enterprise LANs. The VoIP system can also interact with Unite and other
systems. This document gives a brief description of the functions supported in the Ascom
IP-DECT System.
For maximum performance in the system, see the recommendations in Considerations for
Ascom IP-DECT System Planning, TD 92422GB.
For information about Ascom VoIP Gateway, see Installation and Operation Manual, VoIP
Gateway, TD 92326GB.
1.1 Abbreviations and Glossary
DECT Digital Enhanced Cordless Telecommunications:
global standard for cordless telephony.
ESS Enhanced System Services:
Unite module that supports advanced message routing and centralised
fault handling and logging.
IMS Integrated Message Server:
Unite module that enables messaging to and from the connected
cordless telephone system.
IP Internet Protocol:
global standard that defines how to send data from one computer to
another over the Internet
IPBS IP-DECT Base Station
IPBL IP-DECT Gateway
LAN Local Area Network:
a group of computers and associated devices that share a common
communication line.
LDAP Lightweight Directory Access Protocol
PBX Private Branch Exchange:
telephone system within an enterprise that switches calls between local
lines and allows all users to share a certain number of external lines
PoE Power over Ethernet
QoS Quality of Service
PSTN Public Switched Telephone Network:
the world’s collection of interconnected voice-oriented public telephone
networks
RFP Radio Fixed Part. DECT base-station part of the DECT Infrastructure.
SIP Session Initiation Protocol
VoIP Voice over Internet Protocol:
the technology used to transmit voice conversations over the internet
protocol.
Unite Generic term for messaging system that unites different systems, for
example System 900, System 9d, and teleCARE
M.
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