HiThats work for me:Disable SIP ALG:config system settings set
sip-helper disable set sip-nat-trace disableendreboot the deviceconfig
system session-helpershowI sow:edit 13(or 12)set name sipset protocol
17set port 5060And delete it:delete 13(or 12)C...
HI TP999SIP helpers do not help SIP:) We use 3CX. I've got the same
problem after update FG to 7.0.1. For me, worked:1) Downgrade to 6.48
(or update to 7.0.2)2) Recommendations from:
https://www.3cx.com/docs/...irewall-configuration/