Try this site http://www.tierzero.com/what-we-do/business-voice/ for more information on Telecom Business Solutions. Business Phone Service can be as simple as a single phone line on as much as using T1's or various other types of circuits to handle higher call quantity. follow us: https://goo.gl/pdnuev https://goo.gl/lBmsdP https://goo.gl/k9P3RZ https://goo.gl/sUa5Kk https://goo.gl/d1cqIk