Big World offers telecom services billed are actigually installed, being used and invoiced at the correct rates. The result is cost savings and potential refunds for overcharges that may have occurred due to telecom provider errors along with optimization recommendations of a complete review of all telecom services that a telecom provider bills includes the validation that the telecom services billed are actually installed, being used and invoiced at the correct rates. The result is cost savings and potential refunds for overcharges that may have occurred due to telecom provider errors along with optimization recommendations... we design special talk plans according to clients requirement