Pulseaudio VOIP Mix

PulseaudioVoipMix.sh

#!/bin/bash
# ~/.local/bin/PulseaudioVoipMix.sh
# reconfigure Pulseaudio for microphone mix with audio playback for VOIP calls and/or recording

### Names of microphone source and headphone sink MUST be edited to match system devices ***
#= use 'pactl list sources' to find correct 'Name' for microphone source
microphone=alsa_input.pci-0000_00_00.0.analog-stereo 
## use 'pactl list sinks' to find correct 'Name' for headphone sink
headphone=alsa_output.pci-0000_00_00.0.analog-stereo

# create null sink for mix to voip caller
pactl load-module module-null-sink sink_name=voipmix remix=0
# create microphone loopback to voipmix
pactl load-module module-loopback latency_msec=30 source=$microphone sink=voipmix
# create simultaneous output for audio to voipmix and headphones 
pactl load-module module-combine-sink channels=2 slaves=voipmix,$headphone
# set the default source for voip caller to hear voipmix
pactl set-default-source voipmix.monitor 
exit