09-04-2019, 11:48 AM
10-10-2019, 12:52 AM
Dear Customer,
This is Mike from Yealink Technical Support team, good day.
I'm really sorry,only T5 and T4 series phones support hearing aid-compatible handset;
TheT21 and T29 IP phones does not support.
Best Regards
Mike
This is Mike from Yealink Technical Support team, good day.
I'm really sorry,only T5 and T4 series phones support hearing aid-compatible handset;
TheT21 and T29 IP phones does not support.
Best Regards
Mike