The phone is currently streaming to the libreelec box - but no sound is there.
I tried with all three sinks available as default sink.
Code
zbox:~ # pactl info
Server String: /var/run/pulse/native
Library Protocol Version: 30
Server Protocol Version: 30
Is Local: yes
Client Index: 27
Tile Size: 65472
User Name: root
Host Name: zbox
Server Name: pulseaudio
Server Version: 8.0
Default Sample Specification: s16le 2ch 44100Hz
Default Channel Map: front-left,front-right
Default Sink: alsa_output.pci-0000_00_1b.0.analog-stereo.3
Default Source: bluez_source.88_07_4B_73_B9_9A
Cookie: 3322:cc65
zbox:~ # pactl list short sinks
1 alsa_output.pci-0000_00_1b.0.analog-stereo module-alsa-card.c s16le 2ch 44100Hz SUSPENDED
2 alsa_output.pci-0000_00_1b.0.analog-stereo.2 module-alsa-card.c s16le 2ch 44100Hz RUNNING
3 alsa_output.pci-0000_00_1b.0.analog-stereo.3 module-alsa-card.c s16le 2ch 44100Hz SUSPENDED
zbox:~ # pactl list short sources
1 alsa_output.pci-0000_00_1b.0.analog-stereo.monitor module-alsa-card.c s16le 2ch 44100Hz SUSPENDED
2 alsa_input.pci-0000_00_1b.0.analog-stereo module-alsa-card.c s16le 2ch 44100Hz SUSPENDED
5 alsa_output.pci-0000_00_1b.0.analog-stereo.2.monitor module-alsa-card.c s16le 2ch 44100Hz IDLE
6 alsa_input.pci-0000_00_1b.0.analog-stereo.2 module-alsa-card.c s16le 2ch 44100Hz SUSPENDED
7 alsa_output.pci-0000_00_1b.0.analog-stereo.3.monitor module-alsa-card.c s16le 2ch 44100Hz SUSPENDED
8 alsa_input.pci-0000_00_1b.0.analog-stereo.3 module-alsa-card.c s16le 2ch 44100Hz SUSPENDED
9 bluez_source.88_07_4B_73_B9_9A module-bluez5-device.c s16le 2ch 44100Hz RUNNING
Display More