FAYN Telecommunications is the 1st Czech operator providing telephony over the Internet (VoIP), since 2002. FAYN is certified operator in the Czech Republic and Slovakia and our services can be used Worldwide.
| Product | Provider Type | Supported Codec | Supported DTMF | Supported Fax Type | Support Document | Tested Version |
| P-Series Cloud Edition | Register Based | g729a, ulaw, alaw | RFC2833, Inband | N/A | View | 84.15.0.76 |