23-04-2017 12:17 PM
What's the audio codec EE uses for VoLTE? Is that an industry-standard or does each network get to choose?
And when you call someone on another network and you're both using VoLTE, is the call quality still higher than 3G/GSM, i.e. do networks play well with VoLTE codec interoperability?
24-04-2017 01:36 AM - edited 24-04-2017 01:37 AM
I see. I've never tried AMR. 3G voice calls never sounded to me any better than the usual GSM or PSTN calls really. Is AMR-WB used for calls over 3G too then?
For 4G, naive me would expect something like the quality of G722...
24-04-2017 10:56 AM
I just did an EE to VF call over 3G. EE was using the AMR-WB Codec. I have also had calls over AMR-NB. The former sounds very good, especially on same network calls.
I'd think that most/all the calls you make will be using an AMR variety, at least over 3G.
28-04-2017 09:44 AM
I use field test mode on my Samsung device, *#0011#. Not sure if it states the 4G codec on a VoLTE Samsung device though.