When I receive/make a call that is HD (on Sprint) I have to raise the volume to 100% on my car Bluetooth to be able to hear the callers. Yet on none HD calls the volume is at a normal level. Is there a way to disable HD calling?
(I tried using the ##3282# and disabling the EVRC_B, but that did not disable the HD calls)
(I tried using the ##3282# and disabling the EVRC_B, but that did not disable the HD calls)