1 WAN port,1 LAN port, FXO port, 3 sip account,3-way conference, OEM ,32 bit cpu,support POE(Optional), CE and FCC certification VoIP Phone/ SIP phone/ IP phone & Work normally without connecting to computer& OEM service offered& Propmpt delivery& FCC/ CE Certificatioon& CPU 32bit& WAN port and LAN port & Support POE(optional)& FXO port (optional)& Nice call quality