Here are some tips to catch fraud and scams.

* Be aware of unknown people asking your cooperation in testing the telephone line

* Probe the caller for information such as employees ID number, supervisor's name, or call back number

* Never transfer a call outside your PBX if you are unsure of the person's identity. Arrange a call back to that person's line.

* Be alert to the overt signs of PBX abuse: repeated calls of short duration, unexplained increases in incoming or outgoing calls, sudden increases in 800 usage or changes in after-hours calling patterns. Your call accounting system is essential to this part of the process

* Carefully review all billing information to identify unauthorized calling patterns. Frequent reviews can save lots of money

* Educate employees about the dangers of phone fraud and what they can do to help prevent it

* Every voicemail password should be at least 5 digits in length and never have repeating or consecutive numbers.

* If available, ask your local carrier to block third party call billing to any of your numbers.

* Delete any unused mailboxes. Be sure that you know if you have any that are not in use or not. If you need help with this, you should contact your voice mail vendor for assistance.

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About the Author

Author, Karen Ritz, VP Business Development for TelSoft Solutions, writes on the business benefits of call accounting and call detail record technology. More information can be found at http://www.telsoft-solutions.com.