I'm having issues on a hAP ac with WiFi calling. Call will connect for about 15 seconds before the person on the other end is unable to hear my voice while I can still hear theres. I've read the forums and others having issues but have been unable to find a solution. I'm running on ROS 6.45.8. I've tried port forwarding all required ports, enabled upnp, Enabled and disabled sip service port with and without "SIP Direct Media", completely disabled firewall, tried both 2.4 and 5G with and without Multicast helper. I've moved from AC to A/N on 40MHz channels. None of the above allowed WiFi calling to work. I ended up enabling the WiFi on my ATT fiber router and WiFi calling works with no problems. Is this a firmware issue with MikroTik. I feel like I've invested way too much time into this and would love to hear if there's a solution or if I can hang up my troubleshooting efforts.
I appreciate any help!