Ubiquiti EdgeRouter Lite3/Security Gateway

In the UniFi controller after version 5.16, the SIP module can be disabled in the controller-

Disable the H.323 and SIP modules


But in the meantime, for the next couple of weeks the process that Ubiquiti recommends to disable SIP ALG is as follows:

SSH into USG 
the commands you need to run are:

set system conntrack timeout udp stream 30 
set system conntrack timeout udp other 30 
set system conntrack modules sip disable 

SIP ALG can be disabled by 


August 2016

To disable SIP ALG (application level gateway) on this device:

Open the Command Line Interface

SSH into the router

ssh <username>@<ServerIP>

Run the following commands

* configure

* set system conntrack modules sip disable

* commit

* save


NOTE: The information provided above is from another OnSIP customer offering these settings for other customers with a similar device.  OnSIP does not sell nor monitor equipment and/or it's firmware updates/etc.  The settings of routers can change and are out of the control of OnSIP.  For best results, reach out to the manufacturer directly.


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    Fuller Jr. Rick

    Can anyone tell me the show command to verify this is already set? It seems to have reverted on the gateway pro I am working on.

  • Avatar
    Fuller Jr. Rick

    Ah...If anyone else runs into this, it should show that command if its set when you run >show configuration commands