ET6602 IP Phone     Although using the same phone case as AT323, this phone is actually a standard PA168T design. Web manual: SIP IAX2 H323 MGCP. Menu manual: SIP IAX2 H323 MGCP. Telnet manual: SIP IAX2 H323 MGCP. Front. Large Back. Large Interface. Large Inside. Large PCB, watch for the MT28F016S5 program flash used here. Large Key&LCD. Large Those pictures were take by Mao Yongfeng.