Legend
| Certification Program | Supported | Basic Auto Provisioning | Advanced Auto Provisioning |
|---|---|---|---|
 Interop Certified Plus | Y | Y | Y |
 Interop Certified | Y | Y | N |
 Interop Certified Ending | Still supported, but will end within a few months | New phones can no longer be provisioned | N |
Gigaset
| Model | Certification Program |
|---|---|
| Maxwell Basic | Interop Certified Plus |
| Maxwell 3 | Interop Certified Plus |
| N510 | Interop Certified |
| N720 | Interop Certified |
Yealink
| T19P-E2 | Interop Certified Ending |
| T21P-E2 | Interop Certified Ending |
| T23P T23G | Interop Certified Ending |
| T27P T27G | Interop Certified Ending |
| T29G | Interop Certified Ending |
| T40P T40G | Interop Certified |
| T41P | Interop Certified Ending |
| T41S | Interop Certified Plus |
| T42G | Interop Certified Ending |
| T42S | Interop Certified Plus |
| T46G | Interop Certified Ending |
| T46S | Interop Certified Plus |
| T48G | Interop Certified Ending |
| T48S | Interop Certified |
| T52S | Interop Certified Plus |
| T54S | Interop Certified Plus |
| T56A | Interop Certified Plus |
| T58A | Interop Certified Plus |
| T58V | Interop Certified Plus |
Panasonic
| Model | Certification Program |
|---|---|
| KX-HDV130 | Interop Certified Plus |
| KX-HDV230 | Interop Certified Plus |
| KX-HDV340 | Interop Certified Plus |
| KX-HDV430 | Interop Certified Plus |
| KX-TGP600 / KX-TPA60 | Interop Certified |
| KX-TGP600 / KX-TPA65 | Interop Certified |
| KX-TGP600 / KX-UDT131 | Interop Certified |