Yealink je uspešno obavio testiranje interoperabilnosti najnovijih IP telefona serije T5XW (v84) s aktuelnom verzijom Metaswitch platforme MetaSphere CFS version 9.4 over SIP.
Popis trenutno sertifikovanih modela Yealink IP telefona
| Phone Model | Interoperability | |
| T2 Series IP Phone | T19P E2 | √ |
| T21P E2 | √ | |
| T23P | √ | |
| T23G | √ | |
| T27P | √ | |
| T27G | √ | |
| T29G | √ | |
| T4 Series IP phone | T40P | √ |
| T41P | √ | |
| T42G | √ | |
| T46G | √ | |
| T48G | √ | |
| T49G | x | |
| T4S Series IP Phone | T40G | √ |
| T41S | √ | |
| T42S | √ | |
| T46S | √ | |
| T48S | √ | |
| T5 Series IP Phone | T53 | √ |
| T53W | √ | |
| T54W | √ | |
| T57W | √ | |
| T56A | √ | |
| T58A | √ | |
| VP59 | Pending | |
| IP Conference Phone | ||
| CP920 | √ | |
| CP960 | √ | |
| DECT IP Phone | W52P | √ |
| W56P | √ | |
| W53P | √ | |
| CP930W-Base | √ | |