Calix is a telecommunications company founded in 1999 and headquartered in California. Below is our list of Calix port forwarding guides. Simply find your router model number from the list below and follow the directions on the next page. If you don't see your exact router in this list, then we recommend you try a different Calix guide. Calix router interfaces are similar and if you can port forward one you can probably port forward any Calix router.