4.4
Yes
No
1
Gigaset
18 June 2019
Grandstream DP722
Grandstream DP730
Gigaset Comfort 500A IP Flex
AVM FRITZ!Fon C6
AVM FRITZ!Fon M2
BT 3570
Panasonic KX-TGD620E
Panasonic KX-TGJ420
Vtech CS2050
AVM FRITZ!Fon X6
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