The Yealink W52P handset uses a 2.5mm headset jack. However, this is a non-standard interface and requires special headsets. Please purchase 2.5mm headsets in the following standard (MONO/Dual MONO).
MONO
Dual MONO
The Yealink W53H and W56P handsets uses a 3.5mm headset jack and supports all CTIA Standard headsets.
