TD 92375GB
5 Mars 2010 / Ver. H
System Description
Ascom IP-DECT System
1
1 Introduction
This document gives a general description of the Ascom IP-DECT system, an IP based
cordless telephony and messaging system for connection to private telephone exchanges.
The Ascom IP-DECT system supports the DECT standard which gives a full integration of
messaging and voice functions. The Ascom IP-DECT system can be integrated with
external applications such as different alarm systems, networks and e-mail. This gives
features such as; messages to Portable Device, alarm from Portable Device, message
acknowledgement, and absent handling.
1.1 Abbreviations
DECT Digital Enhanced Cordless Telecommunications:
global standard for cordless telecommunication.
HDB Home location DataBase
ESS Enhanced System Services:
Unite module that supports advanced message routing and centralised
fault handling and logging.
IMS2 and
UPAC
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 through the Internet
IPBS IP-DECT Base Station
IPBL IP-DECT Gateway
ISDN Integrated Services Digital Network
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.
PSTN Public Switched Telephone Network
QoS Quality of Service
RAS Registration, Admission, Status (H.323)
RFP Radio Fixed Part. DECT base station part of the DECT Infrastructure.
Legacy DECT base station connected to an IPBL or the local RFP part in an
IPBS.
SIP Session Initiation Protocol
Unite Generic term for messaging system that unites different systems, for
example System 900, System 9d, and teleCARE M.
VoIP Voice over Internet Protocol
