Hi, look the following line in /run/ method of /WorkQueue/ class: *return self.imageDesdescription* regards, Aitor -- View this message in context: http://jderobot-developer-list.2315034.n4.nabble.com/ICE-connection-problem-tp4643338p4643340.html Sent from the Jderobot Developer List mailing list archive at Nabble.com.