Thanks for the advice.
Tried this, but the problem is more complex then I thought. Plainly, sometimes it works, sometimes it doesn't, and I can't understand why.
Can you tell me, what exactly does SIP helper do?
Hi everyone. This is sad, but the problem still exists in 6.12. My router works as - internet router with NAT - PPTP client with another NAT I have 2 SIP connections - first one to internet service, second to private IP switch on the other side of PPTP. PPTP connection takes some time to establish, ...