User manual

MegaPBX- IP Phone Configuration
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User manual V2.0 www.allo.com
Local Area Network: A LAN is a group of computers and associated devices that share a
common communications line or wireless link and typically share the resources of a single
processor or server within a small geographic area (for example, within an office building).
NETMASK
Used by the TCP/IP protocol to decide how the network is broken up into sub-networks (ex:
255.255.255.0).
PBX
Private Branch Exchange: An in-house telephone switching system that interconnects telephone
extensions to each other, as well as to the outside telephone network.
PROXY
A server that receives requests intended for another server and that acts on the behalf of the
client behalf (as the client proxy) to obtain the requested service. A proxy server is often used
when the client and the server are incompatible for direct connection. For example, the client is
unable to meet the security authentication requirements of the server but should be permitted
some
SIP
Session Initiation Protocol: An application-layer control protocol, a Signaling protocol for Internet
Telephony. SIP can establish sessions for features such as audio/videoconferencing, interactive
gaming, and call forwarding to be deployed over IP networks thus enabling service providers to
integrate basic IP telephony services with Web, e-mail, and chat services. In addition to user
authentication, redirect and registration services, SIP Server supports traditional telephony
features such as personal mobility, time-of-day routing and call forwarding based on the
geographical location of the person being called.
PSTN
Public Switched Telephone Network: This is defined as the regular telephone network services.
VoIP
Voice over Internet Protocol. The technology used to transmit voice conversations over a data
network using the Internet Protocol. Such data network may be the Internet or a corporate
Intranet.
WAN
Wide Area Network. A computer network that spans a relatively large geographical area.
Typically, a WAN consists of two or more local-area networks (LANs).