I haven’t activated or tried the VoLTE support yet but i do have problems with taking calls.
The problem differ some from time to time.
Sometimes the network goes down and a can’t call or take calls and to toogle flightmode doesn’t help so i need to restart the device.
Very often i can’t take calls at all and i only get an sms that someone tried to reach me and i need to restart the device to be able to take any call, if i’m waiting for an important call than i’m in big trouble since i don’t know if i will be able to take the call or not.
The most common problems is connected to a three signal tone that used to be used form when a number have no subscriber here in Sweden.
When i hear the tone while i hear the call signal for a incoming call i know that i won’t be able to answer and if i try it will disconnect when i try but for the caller it’s like i never tried to answer and they will stop ringing because i didn’t answer with time.
Sometimes i don’t hear any incoming call but i hear the “no subscriber tone” when the caller stops ringing.
Sometimes there is no “no subscriber tone” but i still can’t answer the call.
I had xperia10iii for some time but it more or less useless as a phone since i can’t take calls reliably and can’t be trusted and i use it every day but i still need my XA2 as a backup device.
Are any of these problems known?