P

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Personal Identification Number - multi-digit secret code that has to be entered to get access to services or authorisations.

Power over Ethernet - method by which a small devices in a network, for example, VoIP telephones, receive power over an Ethernet cable. This benefit of this is that there are fewer power cables to deal with.

PoE is described in the IEEE 802.3af standard.

Point-to-Multipoint - ISDN connection with 3 to 10 independent phone numbers (MSNs). They can be assigned to one or more devices, including PBXs.

Point-to-Point - ISDN connection with Direct Dial In option. A provider allocates a PBX base number with additional Direct Dial In numbers (DDIs), e.g., 9200–0. PBXs are usually operated on a PTP connection.

Post Office Protocol, version 3 - ASCII protocol to download e-mails from a server.

A single PC can simultaneously establish multiple connections and provide multiple services for other PCs. Ports are used to differentiate these connections from parallel connections. Due to a common agreement, PCs usually provide their services on ports 1 to 1023. Outgoing connections are usually established starting at port 1024. Most services that use the standard port numbers (for example, web browsers use port 80).

Automatded configuration of one or more telephone(s) form a provisioning server.

Acts as the interface to the Internet or between two networks. A proxy server receives queries from a computer in an Intranet, for example. It then connects to the Internet (on behalf of the computer) to forward the queries and return the (if necessary, filtered) responses. To achieve this, the HTTP proxy uses the Internet's HTTP protocol.

Point-to-Point Tunneling Protocol - protocol used to set up VPN networks by means of data transmission via tunnels, with less complex encryption than OpenVPN.

Public Exchange

Node point on the public telecommunication network.

COMfortel 1400 IP/2600 IP/3600 IP - Firmware V2.8 - Advanced Information V05 12/2020