Samuel, I had applied that patch previously, I think it is something to do with the third party files from piemontwireless This is the full trace: /pjproject-iphone/third_party \ -ooutput/pjmedia-codec-arm-apple-darwin9/g7221.o \ ../src/pjmedia-codec/g7221.c make[2]: *** No rule to make target `output/pjmedia-codec-arm-apple-darwin9/g729.o', needed by `../lib/libpjmedia-codec-arm-apple-darwin9.a'. Stop. make[1]: *** [pjmedia-codec] Error 2 make: *** [all] Error 1 Cheers, Dan