Yealink T57W
Yealink SIP-T54W
AVM FRITZ!Fon X6
AVM FRITZ!Fon C6
Yealink W73H Mobilteil
Unify OpenScape S6
Yealink MP58 Teams Edition
Gigaset A690 A Quattro
Gigaset S700H Pro Mobilteil
Gigaset CL660 (DE-Version)
Grandstream HT802 2 x FXS
Gigaset Comfort 500HX Duo
Gigaset SL800H Pro Mobilteil