Billing Software was created in order to handle billing and time tracking as well as invoicing the customer for products and services. This software can also track worked hours by employees, as well as the expenses related to projects or clients.
A brief intro on KOL TELECOM:
KOL TELECOM SERVICES LLC. is a USA-based and D&B registered provider of international wholesale as well as retail VOIP solutions. KOL TELECOM currently provides services to more than 100 international long distance carrie