The Level 3 SIP Trunking ROI Calculator is an interactive tool that enables businesses to determine if VoIP SIP Trunking would be a cost efficient alternative to current TDM voice services. Many businesses still use TDM-based PRIs for local and long distance calling but leveraging SIP Trunking can provide businesses with significant cost savings through more efficient use of their network, the advantage of Internet technologies and breaking the geographic limitations of traditional TDM trunking. Find out more about SIP Trunking at www.level3.com/siptrunking

To use the tool begin by entering in the approximate size and physical span of the business, including number of employees and sites, and in what time zones the office(s) reside. The user then has the option to either enter in usage rates that the business is currently charged for telecommunications services, or to default to industry standards. The user can then see an estimated percentage of savings that SIP can provide, broken out into precise areas.