The Nortel M5316, also branded as the Aastra M5316, was designed for the Meridian Centrex systems and features thirteen programmable buttons.? These buttons are used as line appearances or feature keys and can be expanded using the Nortel M522 expansion module.? The M5316 (NT4X42) also has an LCD display, message waiting indicator, visual ringer, speakerphone, and more!
William Rodriguez - 2024-03-03
The quality of the product is exceptional, and it arrived much quicker than I expected. Excellent customer service as well.