Dialpad supports a number of SIP-based IP desk phones, whether purchased directly from Dialpad or bought from another provider. Included here are just a few examples.
Polycom
VVX x50 Series - 250, 350, 450
Firmware - 6.3.0.19348
VVX Series:101, 201, 300/310, 301/311, 400/410, 401/411, 500, 501, 600, 601, 1500
Firmware 5.6.1.1740+ or 5.8.2.4732
Obi300(ATA)
Firmware 3.1.2
Obihai
Obi1000 Series IP Phones - 1032, 1062
Firmware - 5.1.5
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