There are many software tracking packages and/or consulting services that can help you understand your telecom expenses, weigh your options, and cut your telecom costs. In addition to tracking phone system expenses, telecom audits often cover voice, data, wireless, VoIP, DSL, and WAN costs. These systems help you eliminate vendor inaccuracies, employee abuse, and automate invoice processing. Meanwhile, expert consultants can help with contract renegotiation. Different packages are designed for different size businesses, so be sure to shop around to understand your options.