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Will the access point work out of the box if my company has a firewall?

Last Updated: March 8, 2026

The Grandstream 7602 access point should work right out of the box, including setups that configure the access point behind a firewall.

The Ooma AP150, Ooma AP250, and Ooma ATOM access points will work behind a firewall, but you may need to open one or more ports. The following ports should be opened to ensure full functionality:

  • CAPWAP UDP Port 12222
  • HTTP TCP Port 80, 8080
  • HTTPS TCP Port 443
  • SSHv2 TCP Port 22
  • TFTP UDP Port 69
  • NTP UDP Port 123 (if no local NTP server)

For more information about the ports and protocols that must be opened, please see this article.