Hi, I am unable to compile freeswitch from source. getting the following error, making all mod_vpx make[4]: Entering directory `/usr/local/src/freeswitch/src/mod/codecs/mod_vpx' Makefile:883: *** You must install your distros libvpx-dev to build mod_vpx. Stop. make[4]: Leaving directory `/usr/local/src/freeswitch/src/mod/codecs/mod_vpx' make[3]: *** [mod_vpx-all] Error 1 make[3]: Leaving directory `/usr/local/src/freeswitch/src/mod' make[2]: *** [all-recursive] Error 1 make[2]: Leaving directory `/usr/local/src/freeswitch/src' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/usr/local/src/freeswitch' make: *** [all] Error 2 then after I have installed the libvpx-devel.x86_64 (yum install libvpx-devel) still I am getting same error when I during compilation. -- Thanks & Regards, Naveen Tamanam