3.7
Yes
No
1
unify
31 March 2016
BT 3570
Gigaset C570HX
Vtech CS2050
Gigaset S700H Pro
Panasonic KX-TGJ420
Panasonic KX-TGC220
Panasonic KX-TGC260
BT Essential
Panasonic KX-TGD620E
AVM FRITZ!Fon X6
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