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Here are just some of the ways that you, personally, can protect your system:

     · Regularly change your personal and group voicemail box passcodes

     · Do not use default passcodes such as ‘0000’ or ‘1234’

     · Block all international calls access unless absolutely necessary

     · Block international call access to countries that you don’t usually dial

     · Ensure your PABX admin access unit is kept in a secure location

     · Look for heavy call volumes at nights or on weekends and public holidays

     · Review system call records for discrepancies and unusual use

 

Ways in which a technician can assist to increase the security of your telephone system:

     · Disable any call forwarding or outbound call ability from your voicemail ports

     · Cancel any unused voicemail boxes

     · Update the passcode for voicemail administration access

     · Restrict the ‘after hours’ outgoing call access

     · Disable DISA access unless absolutely necessary