How to Check If Sip Alg Is Enabled?

After the test completes click on the 'VoIP' tab and look for 'N' or 'Y' on the 'SIP ALG Firewall' line in the lower white box. If you see "SIP ALG Firewall: Y" then a SIP ALG is active and must be turned off. If you see "SIP ALG Firewall: N" then a SIP ALG is was not detected.

How do I turn off SIP ALG?

In most cases, you will need to sign in to your router with the admin password. Look under its security settings, uncheck SIP ALG, save and reboot your router.
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Arris BGW210
  1. Navigate to 192.168. ...
  2. Under the Firewall section, click on Advanced Firewall.
  3. Change the Set SIP ALG setting to off.

What is a SIP ALG test?

What is a SIP ALG? In simple terms, it's a networking feature that reads, manipulates and re-writes SIP messages between VoIP devices on your network with private addresses and a VoIP service in the Cloud with a public address.

Maya Lin-Takahashi

Maya Lin-Takahashi

Consumer Tech & Gadget Reviewer

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.