ent Total: $ 27,158 Installation & Programming: S 800 Per Diem Plus Expenses a cost (Trits el, Lodging, Meals) with no mark-up Options: IOC-A238 AC Adaptor for NT Series Phones... (Required if no POE) $ 28 IOC-NT346 Handsets $ 278 IOC-NT303 12 Button add-on module $ 77 IOC-NT305 60 Key IP DSS Console (8 M