Zaptel related issue

i’m using asterisk 1.4.14 and zaptel1.4.6 and linux Centos with kernel 2.6.9 and i’m using TDM800p digium card and what is happen is:
i installed zaptel via:
make clean
make install
make config
and also install asterisk and libpri but the problem is that the /dev/zap folder has not been created so that i cannot load zap interface
so would u plz help me in this issue?
thank you

Do you have the kernel dev and headers installed ? Do you get any errors when building zaptel ?