Dear All,
Oh no! I thought that NAT and one sided audio issues would be resolved and my systems would be running better than ever.
Today, I did check the SIP settings and noticed that the RTP port ranges were 10000 through 20000. No big thing, but I had set them to 30000 through 30099 originally with optimized firewall settings - while 10000 through 20000 would still work. I did change that back in the SIP settings and reloaded thereafter. From that point onwards, I had one sided audio again. Regardless of further changes of the SIP settings and reboots, these problems persisted and "sip show settings" did not reveal a cause.
What I did then was to revert one of my virtual machine warm spares by two weeks for Framework 13.0.19, Core 13.0.11 and SIP settings 13.0.14.5. With that version, I was able to change the SIP settings as I liked, reload and find no one sided audio issues. I had to reboot once but that as all there was. Then, I upgraded to the current versions. This reverted RTP port ranges from 30000 through 30099 to 10000 through 20000 again. From that point onwards, anything that leads to a reload after the slightest change of SIP settings results to one sided audio.
What I ended up doing is use my virtual machine warm spares based on the backup of the early hours of today, i.e. before making any changes to the SIP settings. I left the SIP settings untouched, as they do work and as I know that any change would render the system unusable. My main hardware servers must remain off, since I am unable to revert them to before the change of the SIP settings.
I would very much welcome any advice on how to cure this.
Regards,
Michael