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Last Updated: Jan 25, 2023

IP address and domain filtering

To set up anti-spam filtering on incoming calls using IP addresses and domain names:

  1. Go to Preferences > Anti-Spam Configuration.
  2. Under General, select Enable Anti-Spam.
  3. In Allowed IP Addresses and Allowed Domains, enter specific allowed network IP addresses and domains. Incoming calls from any IP address or domain name not listed in these fields are blocked. Use the pipe (|) character to delimit multiple addresses and an * (asterisk) to specify a range of addresses.
  4. Click Save.

Note: If applicable, always include H.323 gatekeeper addresses in your allowed lists.