Why VoIP Resellers Become Service Providers?

The chain of a long distance call usually involves few levels of service providers (tier 1, tier 2 and tier 3) that are responsible for transferring a call to another

A Guide to Interconnection for Small VoIP Providers

Interconnection, in general, is the physical (E1 / T1 lines) or virtual (IP-to-IP) connection between the networks of two (or more) providers. It is a process which involves both technical