SMB
Server Message Block. File sharing protocol which enables a terminal to localize one or
more files across the network, and then to open/read/edit/delete them.
SMTP
Simple Mail Transfer Protocol. Standard protocol used for sending and receiving mails.
SPI
Service Provider Interface
SSH
Secure Shell. A UNIX interface protocol for obtaining secure access to remote computers.
SSID
Service Set Identifier. In Wi-Fi wireless LAN computer networking, an SSID is a code
attached to all packets on a wireless network to identify each packet as part of that network.
The code consists of a maximum of 32 alphanumeric characters. All wireless devices
attempting to communicate with each other must share the same SSID. Apart from
identifying each packet, the SSID also serves to uniquely identify a group of wireless
network devices used in a given "Service Set".
SSL
Secure Socket Layer. Encryption and authentication layer which ensures the authentication,
integrity and privacy of the documents distributed by the World Wide Web.
12.19 T
TAPI
Telephony API (Application Programming Interface). Standard defined by
Microsoft.
TCP/IP
Transmission Control Protocol/Internet Protocol. Standard protocol used on the
Internet. TCP corresponds to the Transport layer (layer 4) of the OSI model. IP
corresponds to the Network layer (layer 3) of the OSI model.
TERMINAL
GROUP
Series of terminals grouped under the same directory number. Any call to that
number is routed to a free terminal line.
TFTP
Trivial File Transfer Protocol. The simplest network application for transferring
files.
TL
(Analog) Trunk Line connecting the system to the public switched network.
TLS
Transport Layer Security.
TSAPI
Telephony Services API. Standard defined by Novell, based on ECMA's CSTA
standard.
TSP
Telephony Service Provider. TAPI driver used to access to telephony devices
(modem, phone set, etc.).
12.20 U
UAI
Universal Alcatel Interface. Board used for connecting up digital terminals or DECT 4070 IO/EO
base stations.
UDA
Universal Directory Access offering the possibility to use the company directory or an external
LDAP directory when it exists to find a listed contact.
UPS
Uninterruptible Power Supply. Device increasing the system's backup time.
URL
Uniform Resource Locator. Address of a resource (file, program, image, etc.) accessible on the
Internet.
UUS
User to User Signaling. Information carried clear end-to-end by ISDN to enable exchanges
between network subscribers; the ISVPN protocol is contained within this information.
Chapter
12
Glossary
8AL91217USAA - Ed. 01 - July 2018 - Installation Manual
215/216
