DECT
Digital Enhanced Cordless Telecommunication. European cordless telephony standard. DECT
terminal: cordless terminal that complies with this standard.
DHCP
Dynamic Host Configuration Protocol. Protocol that manages IP address allocation
dynamically so that addresses can be reassigned when no longer being used by LAN hosts.
Direct RTP
A feature which optimizes the RTP flow of VoIP in SIP, thus optimizing the number of
VoIP CODEC resources.
DISA
Direct Inward Station Access. Services (Analog DISA and Transit DISA) enabling outside
callers to dial a specific number giving direct access to the system.
DLL
Dynamic Link Library. Windows library linked dynamically to an application.
DLT0
Digital Line T0. Basic access configured with the QSIG protocol (= digital LIA).
DLT2
Digital Line T2. Private 2 MHz link in PRA mode (= digital ATL).
DNS
Domain Name Server. System used on the Internet for converting domain names or machine
names into IP addresses. A domain name, unlike an IP address, is an easily memorized
Internet address.
12.5 E
ECMA
European Computer Manufacturers Association
Entity
In this PBX context, an Entity refers to a group of users.
ETHERNET
Local network (LAN) operating at 10 or 100 Mbps (10 base T or 100 base T) over a
coaxial cable. Ethernet is similar to the IEEE 802.3-series standards.
EVN
Emergency Virtual Number
12.6 F
FoIP
Fax over IP. Refers to the message and data transmission from a G3 Fax using the
Internet protocol (T38 or Fax over G711 with SIP).
FTP
File Transfer Protocol. Standard protocol for exchanging files between remote
computers over the Internet.
FTP/STP/U
TP
Foiled Twisted Pairs/Shielded Twisted Pairs/Unshielded Twisted Pairs. Types of
connection cables to be used between an OXO Connect and an external distribution
panel.
12.7 G
G.722
ITU–T 7 kHz wideband speech codec based on sub-band adaptive differential
pulse code modulation (SB-ADPCM) within a bit rate of 48, 56 or 64 kbit/s.
GATEKEEPER
Secure directory server
GATEWAY
Device connecting different networks
Chapter
12
Glossary
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