**IN STOCK, ON SALE** **Limited availability**IPBXs supporting PSTN and VoIP service with AutoAtendant, Voicemail, Call Forwarding, three way calling, unified mesaaging (Forwards voice mail and faxes to email), Least Cost Routing and much more. 4FXO Ports for PSTN lines and 4 FXS Ports for Analog Phones and support for 30 IP Phones. 1 Ethernet 10/100BASE T port (RJ45) 1 USB master connection Uplink Connection Options Ethernet 10BASE T (RJ45) USB Expansion Voice Coding G.711, G.726 (16, 24, 32, 40 Kbps), G.729 The Quadro4x-4FXO 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 Quadro4x is equipped with 4 FXS ports for connection of standard analog POTS phones or fax machines. 30 additional IP phones can be configured as SIP extensions. In addition, there are 4 FXO ports for connection to the PSTN. With a built-in QoS router, LAN voice traffic can be routed to the Internet, eliminating the need for an additional IP router. The Quadro incorporates a stateful inspection firewall, NAT, DHCP client and server, and web browser configuration. In addition to the features of the 2x, the Quadro4x adds USB ports for voicemail memory expansion. With the purchase of a software key, the Quadro4x can expand to support 16 more IP phone extensions, bringing the total to 50 analog and IP extensions. One additional software key can be purchased to add 16 more IP phone extensions, brining the total to 66 analog and IP extensions. One free Quadro Communications Manager license is included with the base system. Note: One free Epygi softphone, the Quadro Communications Manager (QCM), license is included with the base system. The Quadro 4x-4FXO includes 30 IP Phone ports and 4 FXS ports. Two expansion keys of 16 ports each can be incrementally purchased to increase the system to a maximum of 62 IP Phone extensions for a total of 66 extensions. 13" x 12" x 3" MFG# SKU-QUADRO-2800

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