Why are you trying to install an obsolete sub-version of an obsolete version?
You will need to download the required sound and music files offline and then either plug them in so that make thinks they are already up to date, or place them on a local web server and do something like:
before the make.
This covers the DAHDI firmware as well. This might not get requested if you turn off all the real hardware drivers. You almost certainly do need some of DAHDI for reliable operation.
You could try turning off all the sound and music in menuconfig, but they you will have no voice announcements or music on hold.