Android Jitsi meet not showing vedio or audio

For android version , below error getting while connecting to meeting room .

Audio/video is blank.but the web version working fine .Please help

2020-04-18 21:56:37.103 9914-10014/org.jitsi.meet E/JitsiMeetSDK: [modules/RTC/BridgeChannel.js] Bridge Channel send: no opened channel.
2020-04-18 21:56:37.104 9914-10014/org.jitsi.meet W/JitsiMeetSDK: [JitsiConference.js] Failed to send E2E ping request or response. undefined

Web is in valid SSL certificate and web jitsi version is working fine with audio and vedio .
But in android version the vedio/audio is in black color .