tip for #pinephone users::
When messing with alsamixer to adjust the volumes- I had accidentally muted/disabled my rear speaker and the volume was low on the earpiece. I ended up using 3rd party sites to ring my phone until i figured out the settings that allowed me to hear my phone ring again.

https://www.callmylostphone.com
https://callmyphone.org/

Settings:::
f6 > pinephone::::
headphone=100
headphone =mixer
linein=100
lineout=100
lineout=stereo
mic1=100
mic1boost=0
mic2=100
mic2boost=0
adc digital=m
aif1 da0=100
aif1 da0=stereo
aif1 slo=00
aif2=100
aif2 dac=aif2+3
aif2 dac=stereo
aif2 dig=00
dac=100
dac reve=00
earpiece=100
earpiece=dacl

TBH I don't fully know what I'm doing but its possible i might have to tweak these settings again soon. Hope this helps.