Works on Yealink Telephone Models: T19P, T20P, T22P, T26P, T27G, T28P, T32G, T38G, T40P, T41G, T42G, T46G, T48G.
Works on Grandstream Telephone Models: GXP-1200, GXP-1400, GXP-1405, GXP-1450, GXP-2010, GXP-2020, GXP-2100, GXP-2124, GXP-2130, GXP-2140, GXP-2160.
Snom Telephone Models: Snom 320, Snom 360, Snom 370, Snom 710, Snom 720, Snom 760, Snom 820, Snom 821, Snom 870.
