Voice over IP (VoIP) is a set of applications and equipment which allows you telephone calls over the computer networks.
Today the VoIP technology is already replacing the classic telephone networks as many companies already migrated to VoIP. Using VoIP benefits you in flexibility, mobility and security. OPTISIS is the offical distributor for VoIP equipment manufactured by EPYGI, which is reliable, good quality, simple and price competitive. The All In One system allows you management and control over the web browser or the telephone. All Epygi Quadro IP PBX have a backup PSTN or ISDN port in case of network failure. Also all Quadro products have an integrated firewall and router. The Quadro is the best solution for small and middle sized companies.
The Quadro2xi is a fully-featured IP PBX for home offices and teleworkers as the Quadro2x is. The important difference is that Quadro2xi offers you one ISDN line instead of FXO and connects you via two B-channels of 64 kbit/s each to the digital PSTN.
The Quadro4xi is ideal for the small to medium size business locations with a higher need for IP Phone extensions. It is an IP router, SIP gateway and IP PBX all in one box. The Quadro4xi is equipped with four FXS ports for connection of standard analog POTS phones or fax machines.
The Quadro4xi is ideal for the small to medium size business locations with a higher need for IP Phone extensions. It is an IP router, SIP gateway and IP PBX all in one box. The Quadro4xi is equipped with four FXS ports for connection of standard analog POTS phones or fax machines.
The Quadro16xi is the fully-featured ISDN IP PBX for enhanced small businesses. Connected by three ISDN lines to the PSTN and over 10/100 Ethernet to the Internet, the Quadro16xi allows to make up to 20 calls in parallel.
The QuadroM 32x IP PBX was designed for larger businesses with a greater need for IP extensions and SIP trunks. The appliance boosts capacity to as many as sixty concurrent calls and scales to 192 extensions.
The QuadroFXO is a 6 port analog FXO gateway. It is a modular approach to adding additional outside PSTN (POTS) lines to a corporate phone network that utilizes an Epygi Quadro IP PBX.
The QuadroISDN is a 4 port ISDN gateway. Each QuadroISDN is a stand-alone SIP gateway device consisting of a VPN-router, firewall, HTTP server, and call processing software.
The QuadroM Single E1/T1 expands on the capabilities of its sibling, the Quadro E1/T1. This newer model features 30 channels of compressed g.729 codec and conforms to a broad variety of voice codecs and signaling protocols.