Yealink 331104700001 Telephone Cable for WH62/WH63 Series
Connects a Yealink WH62 or WH63 wireless headset base directly to a desk phone's standard headset port.
This cable allows you to use your headset with phone systems that do not native support remote electronic hook switch (EHS) call control
Multi-Brand Compatibility: It is engineered to seamlessly bridge your headset base with legacy or standard desk phones from various brands, including:
Cisco
Avaya
Poly (Polycom)
Grandstream
Fanvil
Snom
Mitel & Unify