Details :
EHS adapter Compatible with major brands like Alcatel(R), Avaya(R), Cisco(R), Fanvil(R), Grandstream(R), NEC(R) and Shortel(R) IP deskphones User can easily connect their VTech(R) wireless headset to their desk phone Call control allows user to adjust volume, mute and answer/end calls from their headset
Warranty : 1YEAR