Avaya Phone certified Jabra Cordless Headset | PRO 920 Avaya Bundle | Avaya Compatible VoiP phones: 9601, 9611, 9611g, 9621, 9641 | Remote Answer included| (Mono - Black) BUNDLE INCLUDES: Cordless 920 Headset System Electronic Remote Answerer for Select Avaya COMPATIBLE PHONES: Avaya 9601, 9611, 9611g, 9621, 9641 EASY TO USE: Plug & Play with up to 12 hour battery life REMOTE ANSWERING: Easy and Seamless answering from headset with Jabra Electronic Hookswitch Adapter TRAINING CAPABILITIES: Agent/Supervisor training - Up to 4 headsets can be "paired" for agent/supervisor coaching and training.