Download Aastra AXD Specifications

Name given to an analogue set connected to a line on which detection has been
authorised for the call's number, date and time. The rights are given to the iPBX from a
management console (AMP).
HDLC
Data link control protocol.
Signalling
Exchange of information using supervision signals or transmission of DTMF code.
Signalling concerns the transmission of the communication or the called party
identification.
Basic or extended RON/TRON signalling
Signalling method in which information is transferred between the switching and
transmission equipment through specialised wires, called TRON (transmission by the
iPBX) and RON (reception by the iPBX).
RON (ReceptiON) and TRON (TRansmissiON) signals are conveyed over specific wires
transmitting a status or a pulse in each direction; it is basic when it uses a single RON
wire and a single TRON wire, and extended when it includes 2 (or more).
VU
Conversion tools (Version Upgrade). VUs are run to transmit data in the form of a new
software packet.
X25
Protocol for the connection between a DTE and a DCE, or between two DTEs for
transmitting data in packet mode.
Installation and Maintenance Manual - Aastra 5000
Introduction
01/2011
AMT/PTD/PBX/0058/4/6/EN
Page 35