Hi Joyce, First of all, the information sent you above explains that t-coils receive signal from an induction loop (hearing loop). Those loops can be in several forms. One is a room, or area, loop. That will pick up sound from an audio input like a microphone, TV, or movie and transmit that sound through a loop driver to the loop itself. If you are in the loop you can hear the sound IF your t-coils are activated and switched on by you. The second form of a hearing loop is the "counter top" type designed to allow you to hear a clerk or teller at a service window. The clerks voice is picked up by a mic and transmitted to a small wire loop. That loop may be in the mat your are standing on or otherwise concealed. Again your t-coil must be switched on for you to hear. Then there are some "neck loops" worn by a user that receive a bluetooth signal and transmit that signal to your t-coil by induction loop. And to make things even more confusing there are some products advertised as "neck loops" that are really a microphone worn around your neck which transmits to your hearing aids by bluetooth. These kind are NOT an induction loop. If you can't hear the hearing loop signal your t-coil may not have been activated by your audiologist. You should have a program labeled as "t-coil.
Then for your phone to work in you office you need to be connected to your office modem through a router which is a bluetooth connection. Your phone must be paired to the router which is usually password protected. Someone in you office should be able to help you.