Kerio Operator and Kerio Control - outgoing traffic?

Question

Kerio

Good day!
There are 2 Kerio Operator servers:
1. Global. For the entire holding - configured, external numbers are connected to it. This server has its own dedicated gateway. Everything works on it, but there is no access to it.
2. Small. For a new company included in the holding. The operator there is raised, the domain controller is connected, there is a dedicated gateway (Kerio Control). Added custom add. numbers, the necessary information is parsed by ldap, i.e. all OK.
Both Operators see each other, I exchange packets, etc. - a trust relationship between domain controllers.
More incoming data:
On the gateway (Kerio Control) by telephony it is configured:
- Allow SIP and SIP_TLS service to use UDP protocol and ports in range 5050-5070 - any source, any destination.
- Configured internal and incoming external traffic, taking into account the preservation of network security.
Problem:
When calling from one subscriber to another (Small Operator, internal call) - the call goes on, but there is no outgoing traffic - there is no voice message, i.e. silence on both sides.
When a subscriber calls from global telephony to a small telephony subscriber - small telephony subscribers have incoming traffic, i.e. you can hear what is happening at the subscriber from the global telephony (incoming traffic is allowed), but there is no outgoing traffic!
During the experiment - on the gateway of small telephony, all ports were opened for all services - the situation does not change!
Question:
What could be the problem? Where to dig? Who is guilty?
Kerio Operator has practically no traffic control rules. It's clear that outgoing traffic is cut by Kerio Control, but I allowed everything...

Answer 1

Toli I have not yet woken up in the morning, roofing felts ... In short, I did not understand the scheme of your network device. Of course, the sex life of your operators is the norm, but the question is from the area of ​​​​routing. Outline where you have vpn, nat and other crap.