Moussa,
If your CME version is 10.5, then the below file (CME_GUI_10.5.tar) will do:
https://software.cisco.com/download/release.html?mdfid=277641082&softwareid=282786567&release=10.5&relind=AVAILABLE&rellifecycle=&reltype=latest
You can confirm the CME version from " sh telephony-service"
HTH
Rajan
