| AP |
Access Point |
A device that connects wireless communication devices together to form a wireless network. |
| ATA |
Analog Telephony Adapter |
A product used to connect one or more standard analog telephones to a VoIP network. |
| DNS |
Domain Name System |
Translates computer hostnames to IP addresses. |
| ENUM |
Telephone Number Mapping |
Protocols to unify the telephone numbering system E.164 with the Internet addressing system DNS |
| FXO |
Foreign Exchange Office |
a telephone interface that receives POTS. Analog telephone handsets, fax machines and (analogue) modems are FXO devices. |
| FXS |
Foreign Exchange Station |
A telephone interface which provides battery power, sends dial tone, and generates ringing voltage. A standard telephone plugs into such an interface to receive POTS. |
| IM |
Instant Messaging |
Real-time communication between two or more people, which uses "presence" which enables the user of an instant messaging applications to rendez-vous with his/her counterparties and see their status of availability. |
| IPBX |
Intranet Private Branch Exchange |
A telephony solution for a business or other agency where the primary means of exchanging voice internal to the system is by using VoIP. |
| ISDN |
Integrated Services Digital Network |
Telephone system, for digital transmission of voice and data over ordinary telephone copper wires. |
| ISDN BRI |
ISDN Basic Rate Interface |
Basic ISDN speed upto 128 Kbps. |
| ISDN PRI |
ISDN Primary Rate Interface |
Primary ISDN speed upto 2 Mbps. |
| ITSP |
Internet telephony service provider |
An ITSP like Vonage or BroadVoice uses your broadband Internet connection to deliver telephone service . |
| LAN |
Local Area Network |
A computer network covering a local area, like a home, office, or group of buildings |
| PI |
Presence Information |
A status indicator that shows ability and willingness of a potential communication partner. Common in IM and VoIP clients. |
| PoE |
Power over Ethernet |
A technology to transmit power along with data over standard data network cables. Similar to FCS in POTS. |
| POTS |
Plain Old Telephony Services |
Traditional wired telephone service, provided by telecom operators. |
| PBX |
Private Branch Exchange |
A telephone exchange that is owned by a private business, which today have evolved in to VoIP centers (IPBX) |
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| SIP |
Session Initiation Protocol |
A protocol for creating, modifying, and terminating sessions with one or more participants. These sessions include Internet telephone calls, multimedia distribution, and multimedia conferences. |
| SIP Trunking |
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A way to interconnect SIP Enabled PBX?es and/or SIP clients to each other to establish voice sessions between each other over an IP Network. a viable alternative to telecom operators legacy like ISDN. |
| VoIP |
Voice over Internet Protocol |
Voice conversations over the Internet or through any other IP-based network. Also called IP telephony. |
| WiFi |
Wireless Fidelity |
Brand originally licensed by the Wi-Fi Alliance to describe the underlying technology of WLAN based on the IEEE 802.11 standard |
| WiFi Phone |
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A wireless telephone that looks similar to a mobile phone but places calls via a combination of VOIP and WiFi rather than via a cellular network. |
| WiFi Dual Mode Phone |
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can be easily switched between using a proprietary WiFi connection when one is available and a traditional cellular network connection when WiFi is not available |
| WLAN |
Wireless Local Area Network |
communication between two or more computers without wires. It uses radio communication to accomplish the same functionality that a wired LAN has. |
| VoWLAN |
Voice over Wireless LAN |
The use of a WLAN for the purpose of vocal conversation. In other words, it's just like VOIP but over a Wi-Fi network. |
| XMPP |
Extensible Messaging and Presence Protocol |
An open, XML-based protocol for near-real-time, extensible instant messaging and presence information. |
