Thread: Support WIFI Calling Issue
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Old February 8th, 2012, 07:00 PM   #7 (permalink)
raincity
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Default WiFi calling problem on the Mytouch 4G solved.

I too have been disappointed with the extremely poor quality of WiFi calling on the Mytouch 4G. I even went so far as to buy a new high-end router and set my phone's wireless connection for the highest priority QOS thinking it might resolve the problem. Bluetooth is a requirement for me and unfortunately the new router didn't make much of a difference in call quality. After two firmware upgrades to the phone in the past year I couldn't believe that the problems discussed here hadn't been resolved.

Apparently something HAS been changed in the latest firmware. Wifi calling now works fine and so does my Bluetooth headset. I've found various articles online that discuss the severe interference that can occur between Bluetooth and 2.4 gig Wifi (802.11g). It seems the Mytouch 4g is especially prone to such issues. The solution for getting the headset to work was switching the phone to the 5 gig Wifi band (802.11a). The MT4G specs don't include this capability anywhere I've found including either the T-Mobile or HTC web page, but the phone works great on that band. For the first time I'm able to use the Wifi calling feature with my Bluetooth headset. Call quality has been just fine.
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Last edited by raincity; February 8th, 2012 at 07:04 PM.
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