Support SIP,mgcp protocol Support 4 sip accounts at the same time Support multi lines conference Support Qos,Tos Support DND(Do not destrub) Dhcp server and address pool Auto-provision firmware and configuration via HTTP server Message ... - Update: 2008-09-18

Support SIP,IAX2 protocol Auto-provision firmware and configuration via HTTP Message Waiting LED and Button Large LCD with blue back light Support standard voice feature such as Call Wait,Call Hold, Call Transfer,3-way conference Audio code... - Update: 2008-09-18