Panasonic are due to release a new phone system headset range next month, the TC400 which come sunder the KX-TC400 phone system range. The new headsets will be extremely tough and extremely lightweight with comfort features for operators who wear them throughout the day. The TC400 headsets will connect to any telephone system and are compatible with VoIP (Voice over Internet Protocol) systems too. At the top of the range for crystal clear sound, the new Panasonic phone system additions are set to be a great seller.