The Quadro4xi is the fully-featured ISDN IP PBX for small businesses. Connected by one ISDN line to the PSTN and over 10Base-T Ethernet to the Internet, the Quadro4xi provides up to 70 physical and virtual extensions to make up to 20 calls in parallel.

Besides four FXS phones, up to 16 fully-featured SIP phones may be attached to Quadro4xi's LAN port. In addition, all SIP extensions assigned to a line may be mirrored and act as remote IP extensions. Wherever you are, calls will reach you, and you will be able to make calls as if you were in your office.

Fully-Featured IP PBX

The Quadro4xi offers the same multitude of features as Quadro4x: extensive PBX functionality, integrated voicemail, cost saving call routing functionality, IP routing, SIP and H.323 call signaling and much more.

Integrated Internet Access Router

The Quadro4xi IP PBX embodies a fully-fledged Internet access router with fi rewall security, including IDS, NAT, policy and service based filtering as well as stateful inspection. An extensive IPSec VPN functionality with DES and 3DES encryption makes an additional contribution to data security.

VoIP Carriers

The Quadro4xi IP PBX is easily applicable for VoIP Carriers as well as small businesses. For VoIP carriers, a special wizard has been implemented that facilitates the configuration of the Quadros to work according to individual requirements.

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