Hi guys, Any knows where is the setup of SIP over TCP into SPA3102 but verison v3.3.6?

previous version has a lot of documentation on internet, but after the upgrade I can't change this, in base to the recomendation from here:

https://freeswitch.org/confluence/display/FREESWITCH/SPA3102+HowTo#SPA3102HowTo-SPA3102"SIP/2.0401Unauthorized"Issue

Thanks!
Ale