PINGHE IP Phone   PA1688 IP phones made by 5111soft in this case either use 5111PHONE or PINGHE software. It can be decided by the label in the back or from the PCB components. Must be careful because some white phones in the same case use other software from Yuxin. Both phones use menu (SIP IAX2 H323 MGCP) slightly different from our standard design, but the usage of web (SIP IAX2 H323 MGCP) and telnet SIP IAX2 H323 MGCP) are the same. Front, most of those phones have eTalk logo. Large PCB, the HOP-1001 print indicates it is from the same factory as HOP-3003. Large MX29F004T program flash, it is a 5111PHONE if MX29LV008T is used. Large Those pictures were take by Sheng Hua.