The Quadro4xis is the fully featured ISDN IP PBX for small businesses that prefer ISDN connectivity to the PSTN and G.SHDSL for the Internet. With one ISDN line and one G.SHDSL port Quadro4xis can enable 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 also be attached to Quadro4xis™ 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.

Feature Rich IP PBX

The Quadro4xis offers the same multitude of features as all Quadro IP PBxs: 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 Quadro4xis IP PBX is a fully-fl edged Internet access router with fi rewall security, including IDS, NAT, policy and service based fi ltering as well as stateful stateful inspection. Data security is also enhanced by an extensive IPSec VPN functionality with DES and 3DES encryption.

VoIP Carriers

The Quadro4xis 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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