Is anyone aware of a wireless headset solution that can be reliably used for training purposes? Currently, we use Plantronics CS55's, but they do not support dual usage on a 7962 (or any Cisco phone for that matter). The purpose is for training, so that a dual user's can listen and talk on a conversation. We have a solution for wireless headsets, but this group was recently migrated from a PBX system (where these headsets worked in a dual scenario) and they are demanding it now that they have been migrated to VoIP. I'm looking to purchase an alternative headset, if it is available.