Comment 17 for bug 1576559

Have the same issue in Ubuntu 18.04.2 LTS.
In pavucontrol or in blueman-applet:
If select A2DP sound works;
If select HSP/HFP sound/mic do not work.

bluetoothctl output:
        Name: Jabra Elite 65t
        Alias: Jabra Elite 65t
        Class: 0x00240404
        Icon: audio-card
        Paired: yes
        Trusted: yes
        Blocked: no
        Connected: yes
        LegacyPairing: no
        UUID: Vendor specific (00000000-deca-fade-deca-deafdecacaff)
        UUID: Serial Port (00001101-0000-1000-8000-00805f9b34fb)
        UUID: Headset (00001108-0000-1000-8000-00805f9b34fb)
        UUID: Audio Sink (0000110b-0000-1000-8000-00805f9b34fb)
        UUID: A/V Remote Control Target (0000110c-0000-1000-8000-00805f9b34fb)
        UUID: A/V Remote Control (0000110e-0000-1000-8000-00805f9b34fb)
        UUID: Handsfree (0000111e-0000-1000-8000-00805f9b34fb)
        UUID: Phonebook Access Server (0000112f-0000-1000-8000-00805f9b34fb)
        UUID: PnP Information (00001200-0000-1000-8000-00805f9b34fb)
        Modalias: bluetooth:v0067p247Ed020E