4.4
Yes
No
1
Gigaset
2 July 2018
BT 3570
Panasonic KX-TGC260
Vtech CS2050
Gigaset C570HX
Gigaset S700H Pro
Panasonic KX-TGB610EB
Grandstream DP730
Panasonic KX-TGC220
Panasonic KX-TGD620E
AVM FRITZ!Fon X6
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