With built-in Registrar and Proxy Server; no other server is required. The A07-VES3302 line can be stacked up to 600 units, which is highly scalable for future upgrade. The extension server enables users to make calls between the SIP environment and IP PBX network, just like calls between extensions. ■DBDBBBH Powered byAccton Edge-Core ISO 9001:2000 Certified Company A TLANTIS AND SIP Extension Server 12 CARATTERISTICHE TECNICHE Port Feature Fast Ethernet Ports 2 Etensions Server 1