resolved using the switch " --vrender-dev=-1 " eg. sudo ./pjsua-armv7l-unknown-linux-gnueabihf --id=sip:1001 at 192.168.1.19 --registrar=sip:192.168.1.19 --realm=* --username=1001 --password=1001--video --local-port=5090 --vrender-dev=-1 --auto-answer=200 -CA -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20141230/42127675/attachment.html>