In response to reports about telephone equipment (PBX) hacking throughout the industry, here are some tips to avoid telephone hacking:
- Regularly change your voicemail PINs and do not use default PINs such as 1234.
- Disable any call forwarding or outbound call ability from your voicemail ports.
- Cancel any unused voicemail boxes.
- Restrict the ‘after hours’ outgoing call access.