A1X Entry-level business IP Phone
1 SIP account，132 * 52 graphic character dot matrix LCD

A20/A21/A20W/A21W IP Phone
2 SIP accounts，132 * 58 graphic character dot matrix LCD

A48/A48W IP Phone
4 lines IP Phone with 3.2 inch TFT color display

A68/A68W IP Phone
6 lines IP Phone with 4.3 inch TFT color display