your voice status is registered?? mine is registering does it affect anything?In the VOIP config page screenshot you shared replace 172.30.249.3 with 10.187.2.12. Primary and Secondary DNS for voice are 172.30.249.3 and 172.30.249.19 respectively. Enter the DNS in WAN voice config.
sip register address@ps111193 which ip are you referring to?