Alcatel-Lucent OmniPCX Office Installation Manual page 225

IPSec
Internet Protocol Security. Standard taking network security into account. Protocol used in the
implementation of VPNs, and for remote access by connection to a VPN.
ISDN
Integrated Services Digital Network. Standard for the transmission of digital data over telephone cables or
other communication vectors.
ISDN-EFM
Integrated Services Digital Network- Emergency Forwarding Module. T0/S0 Forwarding Module.
ISP
Internet Service Provider. Internet Access Provider. A company that provides Internet access for individuals
and companies, along with other services, such as web site construction and hosting.
ISVPN
Integrated Services Virtual Private Network. Protocol used in a private virtual digital network; it offers
functions such as transfer optimization and the transmission of information such as the name, busy status
or diversions.
ISVPN+
Includes metering information in addition to the usual ISVPN services.
ITU
International Telecommunications Union : global coordination body.
IVPS
Virtual card, embedded on the CPU board, supporting a voice mail application.
8.1.10 K
KEY SYSTEM (mode)
Dedicated terminal operating mode in which the terminal features as many resource keys (RSP) as there
are network lines in the system.
8.1.11 L
LAN
Local Area Network. Network of interconnected switches, routers, and servers that share the resources of a
processor or server in a relatively restricted geographical area, usually the premises of a company. In the
context of the OmniPCX Office, the LAN includes an IP network and provides services to the wired client
and to the WLAN client: file server, proxy, main server.
LDAP
Lightweight Directory Access Protocol for access to directory services managed by a directory server.
LOUDSPEAKER
External loudspeaker used for broadcasting messages.
8.1.12 M
MANAGER/SECRETARY
Set of specific services (profile, filtering, diversion) between a manager terminal and a secretary terminal.
MIX
Mixed equipment board: T0 accesses, analog and digital terminal connection interfaces.
MLAA
Multiple Automated Attendant: Software component used for automatic incoming calls routing via voice
guides.
MMC
Man Machine Configuration. Command lines that a user types to the interface of an application to change
the parameters of system elements. It can also be in the form of graphic images that the user can select to
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