To Disable ALG
Step #1 – Removing the session helper.
A. Run the following commands:
config system session-helper
show
Amongst the displayed setting will be one similar to the following example:
edit 13
set name sip
set protocol 17
set port 5060
B. in this example the next commands would be:
delete 13
end
Step #2 - change the default –voip –alg-mode.
Run the following commands:
config system settings
set default-voip-alg-mode kernel-helper based
end