Are you constantly looking for a new way to improve your overall phone quality and expense? All Mountain Technologies has the answer for you and itâs our AMT Voice solution. AMT Voice is typically 40 percent more cost effective and scalable than your traditional alternatives. Your business can experience an enterprise-level phone system with an auto attendant while being able to receive calls from the office, home, on the road and through your smartphone. If you are ready to improve your overall phone experience for your guests as well as your employees, then there is only one call you need to make â call All Mountain Technologies at 970-748-8880.