... voip net phone 2, 5 sip registration 3,3 way conference call 4,IP Assignment: DHCP, static IP 5,support PPPOE Skyline ... .323)Overview Function1,support 5 sip accounts2,support 3 way conference call3,support sip(RFC2543,RFC3261)4,support recording 64 groups ... gateway at your Local office,you could dial & receive phone call from your customers as you are there without Long Distance ...