4.3
Yes
No
1
Gigaset
18 June 2019
Grandstream DP730
Gigaset Comfort 500A IP Flex
Grandstream DP722
AVM FRITZ!Fon C6
AVM FRITZ!Fon M2
BT 3570
Panasonic KX-TGC260
Vtech CS2050
Panasonic KX-TGC220
Panasonic KX-TGD620E
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