Wi-Fi calling not working

[ggreenwood334]

I'm on the M developer preview with the stock m kernel. And radio. I have the settings option and have reset my APN. Also, i have no service down in the caves, so i know it has to use Wi-Fi. Not sure where to go from here. Had same problem on sinless ROM. Thanks.

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[nautec]

I am having the same problem on 5.1.1. I know Wifi Calling works because I seen it turn on at the hospital but at home nothing. I'm currently trying to tinker with my router to see if anything is causing it to fail or not. There is talk of opening up TCP and UDP ports on your router and disabling SIP ALG on your router. Seems to work for some and not for others. I am one of those others where its not working so far.

 

[jawmail]

I'm on the M developer preview with the stock m kernel. And radio. I have the settings option and have reset my APN. Also, i have no service down in the caves, so i know it has to use Wi-Fi. Not sure where to go from here. Had same problem on sinless ROM. Thanks.

Sent from my Nexus 6 using XDA Free mobile app

I thought it has been reported to be working on the Google M preview with T-Mobile. Did you do full wipe and format user data?

 

[nautec]

I am fairly confident it depends on your router settings because Wifi Calling works great when I was at a fast food joint today that offered free wifi with a username and password.

 

[kolyan]

When I 1st upgraded to 5.1.1 everything seemed to work, now I can't get wifi calling to come on. Using at home with same router....it stopped working for me 100%

 

[nautec]

I finally got it working today. After reading the internet I needed to enable IPsec pass through and SIP pass through in my Asus RT-N65u router. I also setup QoS for the various ports that T-Mobile and it finally works. Took me a full week to figure it out.

Sent from my Nexus 6 using XDA Free mobile app