F
Firewall
A system designed to prevent unauthorized access to or from a private network. Firewalls can be implemented as hardware, software, or a combination of both. All messages entering or leaving the intranet pass through the firewall, which examines each message and blocks those that do not meet the security criteria specified on the firewall.
FoIP (Fax Over Internet Protocol)
The term used for the technology that transports facsimiles over the Internet.
Forward Error Correction
Increases voice quality by recovering lost or corrupted packets.
FXO (Foreign Exchange Office)
Is the interface on a VOIP device for connecting to an analog PBX extension.
FXS (Foreign Exchange Station)
Is the interface on a VOIP device for connecting directly to phones, faxes, and CO ports on PBXs or key telephone systems.
Business VoIP
VoIP
for Business
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