Help? Do you need a headest button to operate a Nortel T7316E Telephone? Q: I have the Nortel T7316E Telephone, Do I need a Headset button to operate this phone? A: If you are talking about using a corded headset with your Nortel T7316E, then yes, you would plug the headset into the headset jack and use your programmed “headset button” on your phone to answer and hang … Continued