[root@pbxa zaptel]# make 
ZAPTELVERSION="1.2.9" build_tools/make_version_h > version.h.tmp
if cmp -s version.h.tmp version.h ; then echo; else \
        mv version.h.tmp version.h ; \
fi

rm -f version.h.tmp
/lib/modules/2.6.9-42.0.3.ELsmp/build
make -C /lib/modules/2.6.9-42.0.3.ELsmp/build SUBDIRS=/usr/src/zaptel modules
make[1]: Entering directory `/usr/src/kernels/2.6.9-42.0.3.EL-smp-i686'
make[3]: /usr/src/zaptel/wct4xxp/../oct612x/octasic-helper: Command not found
make[3]: /usr/src/zaptel/wct4xxp/../oct612x/octasic-helper: Command not found
make[3]: *** No rule to make target `/usr/src/zaptel/wct4xxp/../oct612x/include/oct6100api/oct6100_api.h', needed by `/usr/src/zaptel/wct4xxp/vpm450m.o'.  Stop.
make[2]: *** [/usr/src/zaptel/wct4xxp] Error 2
make[1]: *** [_module_/usr/src/zaptel] Error 2
make[1]: Leaving directory `/usr/src/kernels/2.6.9-42.0.3.EL-smp-i686'
make: *** [linux26] Error 2