Important information:

The company that previously traded as "Feptias Limited" has now changed its name to "Smartvox Limited". The name was changed to more clearly reflect the business's focus in IP telephony. This web site is unlikely to have the most up-to-date information about the company or its products and you are advised to visit the new web site instead at:

The nearest equivalent to this page offering support and technical advice is here:

Advice Centre

Telephony Acronymns - click this link to view a dictionary of Telephony acronymns.

Here you will find links to information pages, both on this site and on other web sites, that will help you to solve problems and understand the technology used for business IT and Voice over IP.
IP Networks Fundamentals of packet communication - TCP, UDP etc.
Firewalls -   General overview,   Hardware Firewalls,   Software Firewalls
Firewalls -   Zones (what is a DMZ)
Voice over IP: SIP