If you need to check the compatibility of EXP and Yealink Phone, the FAQ is for your reference:

EXP Model	Phone Model
EXP20	SIP-T27G/T27P/T29G
EXP40	SIP-T46S/T46G/T48S/T48G
EXP43	SIP-T43U/T46U/T48U
EXP50	SIP-T53/T53W/T54W/T57W/T58A Teams Phones (Teams Version 1449/1.0.94.2020111101 or later): T56A/T58A firmware 58.15.0.118 or later VP59 firmware 91.15.0.50 or later MP56/MP58/MP58-WH firmware 122.15.0.27 or later

SIP-T58A , SIP-T57W , SIP-T54W , SIP-T53W , SIP-T53 , SIP-T48U , SIP-T46U , SIP-T43U , SIP-T48S , SIP-T46S , SIP-T29G , SIP-T27G , Teams-VP59 , Teams-MP58 , Teams-MP56 , Teams-T58A , Teams-T56A , LCD Expansion Module EXP20 , LCD Expansion Module EXP40 , Color-screen Expansion Module EXP50 , SIP-T48G , SIP-T46G , SIP-T27P