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:
Voice over IP: SIP
SIP Servers Explained
SIP Basics: Registration
SIP Basics: Outbound Proxy Server
SIP Response Codes
SIP and NAT: Why is it a problem?
SIP devices behind NAT: What solutions are available?