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XG125 SIP voice without audio

Hello people. 

I'm new to using fw sophos.  But I have a question I can not find the solution. 

Today in the company on FW XG 125 I have LAN (192.168.11.0) on port 1 / Wan1 on port 2 / Wan2 on port 3 and voice LAN on port4 (192.168.20.10). 

When implemented inherited the mikrotik access and NAT settings, created the same rules in sophos and when rerun binding test, I receive ok.  but when making calls, the calls were muted.  Then disable the sip module.  and outgoing calls normalized and incoming calls unchanged, everything normal. 

And today I went to do the VPN settings, created the group within authentication / group and then added my DC server to relay the authentications and imported other groups that were not in AD.  Created the firewall rule, and the group that I had created at the beginning decided to delete, with this the internet was blocked for users and as a partial solution I created a temp rule releasing everything.  By disabling the VPN rule, the internet normalized, excluding the temporary firewall rule making the release.  After this occurrence the incoming binding are muted.  There are no app control rules, the firewall rules have traffic, and when I disable the PBX SIP GW interface it fails.  This I deduce that the firewall is not blocking the connections, when I enable interface SIP GW the same failure occurs.  In Log Viewer there is no block coming from the operator's ip and the output is by the same inbound link.  Does anyone have any ideas what may be happening?

 

Thanks



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