Taiwan IP Phone

Adopt ti solution; internet connection pppoe dhcp static ip; nat traversal using iefe stun (sip); popular voice codec including g.723.1, g729a/b, g.711(a-law/u law); silence suppression, vad, cng, g.168 aec; support qos; phone book; call hold; last number redial; handsfree speaker phone; caller-id(voip call); call history; remote software upgrade capacity (via ftp); compatible with ip-pbx; call transfer; call forward; call waiting; support ddns; monitor & maintain the package capture (syslog & ethereal capture); IP address direct call