This videos may be of interest:

  • IP Phone - Configure and Use Expansion Module
  • Installing an Expansion Module 7916 on A Cisco 7900 Series VoIP Phone ...
  • Cisco 7916 Expansion Module Tutorial
  • Cisco 7916 Expansion Module Tutorial
  • IP Phone - Configure and Use Expansion Module
  • Installing an Expansion Module 7916 on A Cisco 7900 Series VoIP Phone ...
Here some other interesting products:
Here some other interesting products: