http://forum.elastix.org/old_files/elastix_callmanager.doc Currently we want to install elastix solution into an environment that is used Cisco Unified Communications Manager Version 6.0 to dispatch their phone calls. So the problem is can elastix work with Cisco Unified Communications Manager Version 6.0? or how should I do the setup? I will get call(A) from call manager, and certainly I will callback the extension number(A). I will receive the call via softphone, like zopier. Any help is most appreicated.