NMT Numbering Modification Table
NNTP Network News Transfer Protocol. Protocol used by computers to handle messages created in
Usenet forums.
8.14 O
ODC On Demand Communication - Commercial name of On Demand mode.
On Demand
mode
This licence mode introduces a “user” definition and the validity of the license in
OPEN state is limited and daily checked by the system.
OS Operator Station. Dedicated terminal for answering incoming calls from the public
network.
OMC OXO Connect Management Console (formerly PM5). A PC-based management
and configuration tool.
8.15 P
PAP Password Authentication Procedure. Procedure used by PPP servers to validate
connection requests.
PASSWORD Code acting as a password, controlling access to the voice mail unit and the
terminal locking function.
PAT Port Address Translation
PCBT PC Based Telephony
PCX (mode) Mode of operation of dedicated terminals; in this mode, all the network lines are
materialized by general-purpose resource keys (RSB).
PE Public Exchange. Public central terminal (switch).
PLEASE WAIT
MESSAGE
An audio component of the system (or an external device, such as a cassette
player) which plays a message or piece of music while keeping an external
correspondent on hold.
POP3 Post Office Protocol. Standard Internet protocol for receiving electronic
messages. POP3 is a client/server protocol in which the messages are received
and hosted by the ISP. When a message is read, it is transferred to the client
terminal and is no longer hosted by the ISP.
PowerMEX Module expansion. Controller board for extension or module expansion.
PPP Point-to-Point Protocol. Protocol used in communication between two computers
using a serial interface (typically a PC connected to a server via a telephone
line).
PRA Primary Rate Access. Board for connecting a T2 digital primary access; the
access supports 48 kbps structured as 30 B-channels at 64 kbps for voice and
data transmission, and 1 D-channel at 64 kbps for signaling.
PROXY A proxy server is used as an interface between a user and the external Internet
network.
PSAP Safety Access Point
PSTN Public Switched Telephone Network.
Chapter
8
Glossary
3EH21123USAA - Ed. 01 - April 2017 - Installation Manual 204/207
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