Time Business Systems provides factory trained certified support and service for InterTel and Mitel business telephone system products. We specialize in the Axxess and 5000 systems. If you are uncertain as to which system you have, we would be happy to assist you in that determination. Time Business Systems provides high quality service at very affordable rates on all InterTel products. We also carry a large inventory of parts. If you are unhappy with your current vendor or would just like an alternative service company, please give us a call at (303) 425-6300 or 1-877-802-6735, you will be glad you did.