I have done some further testing and I can get the phone to register and come online by manually editing the mac address.cfg to point to the sip.ld file. ( APP_FILE_PATH=“polycom/sip.ld”) This file by default points to polycom/sip.ld which is not a valid directory. There is however a /tftpboot/polycom/1 folder that has a sip_318.ld file. I made a copy of this file named sip.ld and pointed the config file to this location and the phone finishes updating and connects. The NTP service however doesn’t seem to connect correctly and I am sure there would be other issues if I proceeded to manually edit these files which specifically state DO NOT HAND MODIFY THIS FILE. So, I am obviously making connection to the server fine and my understanding is that End Point Manager should be handling these configs for me automatically based on my templates I configure in the user interface. Has anyone else had similar issues with Polycom phones and end point manager right out of the box?