Below is the current list of officially supported devices. Devices are grouped by type for easier reference.
Desk Phones
Yealink
Yealink T23G
Yealink T27P
Yealink T27G Gigabit
Yealink T29G
Yealink T31
Yealink T31P
Yealink T33
Yealink T33G
Yealink T40G
Yealink T41P
Yealink T41S
Yealink T42G
Yealink T42S
Yealink T42U
Yealink T43U
Yealink T44U
Yealink T44W
Yealink T46G
Yealink T46S
Yealink T46U
Yealink T48G
Yealink T48S
Yealink T48U
Yealink T52
Yealink T53
Yealink T53W
Yealink T54
Yealink T54W
Yealink T56A
Yealink T57W
Yealink T58
Yealink T58W
Yealink T73U
Yealink T73W
Yealink T74U
Yealink T74W
Yealink T77U
Yealink T85W
Yealink T87W
Yealink MP54 (Teams Edition)
Poly
Polycom VVX150
Polycom VVX250
Polycom VVX301
Polycom VVX311
Polycom VVX350
Polycom VVX401
Polycom VVX411
Polycom VVX450
Polycom VVX501
Polycom 8500
Polycom SoundPoint IP 5000
Polycom SoundPoint IP 6000
Polycom SoundPoint IP 7000
Cisco
Cisco SPA525G
Cordless / DECT Phones
Yealink
Yealink W52P
Yealink W60
Yealink W70
Panasonic
Panasonic TGP500
Panasonic TGP550
Panasonic TGP600
Snom
Snom M500
Conference Phones
Yealink
Yealink CP920
Yealink CP925
Yealink CP935W
Yealink CP960
Yealink CP965
Analog Telephone Adapters (ATA) / Gateways
Grandstream
Grandstream HT801
Grandstream HT802
Grandstream HT812
Grandstream HT813
Grandstream HT814
Grandstream GXW4224
Grandstream WP810
Algo
Algo 8301
CyberData
CyberData SPA