|Compatible Avaya Phone Models|
U10 Direct Connect Cable (26716-01)
Plantronics U10 Direct Cable – 26716-01:
U10 cable (# 26716-01) is used as a Cisco IP Direct Connect Cable which connects an H-series headset into a compatible phone.
It is also the coiled cable included with the Plantronics M-series amplifiers that a headset plugs into.