No audio is heard by remote party =========================================== Checklists: #. :any:`/specific-guides/audio-troubleshooting/checks/device` #. :any:`Check that microphone is functioning properly` by looping-back microphone to speaker device. #. Check that no other application is using the sound devices. It is common to not be able to use sound device when other application is using the device. #. :any:`Check that the microphone is connected to the call in the conference bridge ` #. :any:`/specific-guides/audio-troubleshooting/checks/tx_addr`. #. Use *pjsua* on the remote side to check that packets are received. Follow :any:`/specific-guides/audio-troubleshooting/checks/no_rx_rtp` on how to use *pjsua* to verify receipt of incoming RTP packets. #. :any:`/specific-guides/audio-troubleshooting/checks/cpu`