This is an esp32 SIP phone project using

• esp-idf
• esp-baresip submodule including baresip, libre, librem
• arduino-esp32 as an esp-idf component
• pubsubclient for call control and firmware updates

Build howto: First checkout all required git submodules

• git submodule update --init --recursive Apply patches on baresip and libre
• esp32phone/components/esp-baresip/components/apply_patches.sh

Create a docker for building

• dockerbuild/createDocker.sh

Run the docker in interactive mode

• dockerbuild/startContainerBash.sh
• cd esp32-baresip-client/esp32phone
• make flash monitor