i have the latest elastix 1.5.2 installed in a server. i have two client machines one on ubuntu and another on windows and have installed x-lite softphone on the two. The problem is i have only one-way audio ie user on windows cannot hear user in ubuntu machine but one in ubuntu can hear the user on windows. i downloaded the x-lite softwares from counterpath site. The linux one seems to have limited features from the windows one...could this be a lead to my problem? What could be the problem? help urgently needed, Thanks in advance.