Phones

Horizon works on a range of different phones so you can choose, and mix, to your preference, from:

  • Cisco SP504G
  • Cisco SP509G
  • Cisco 525G
  • Polycom 331
  • Polycom 335
  • Polycom 450
  • Polycom 650
  • Polycom 5000 Conference unit
  • “Sidecar” expansion units are also available for the Ciscos, and for the Polycom 650.