How to Disable SIP ALG in Ubiquity Unifi

How to Disable SIP ALG in Ubiquity Unifi

Note that, as this process may temporarily interrupt your internet connection and phone service, we recommend doing this in an off-peak period or outside of business hours.

For EdgeRouter setup with EdgeMax user interface please see Disable SIP ALG - EdgeRouter

 

Ubiquiti (USG/UBNT/UNIFI User Interface)

  1. Go to Routing & Firewall
  2. Go to the Firewall tab
  3. Click Settings
  4. Set SIP to Off
  5. Set H.323 to Off

USG-Disable-SIP-ALG.jpg
 

Disabling SIP ALG for Ubiquiti EdgeRouter (EdgeMax CLI/Command Line Interface)

You can perform this change from the command line by logging in, then entering the following commands:

# from ssh <username>@192.168.x.x or Unifi/UNMS terminal

$ configure

$ set system conntrack modules sip disable

$ commit

$ save

$ exit

(Here's what the CLI commands look like)
sipalg-ubiquiti.png

ubiquitisip algconfigureunifidisable

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