> I am developing? a VOIP application for Symbian 3rd edition FP1 SDK. I have > enabled the APS- Direct but I am getting two errors. > > pjsua_media.c:(.text+0x200): undefined reference to > `pjmedia_codec_passthrough_init'?? ?pjproject-1.2?? ??? ?line 0?? ?C/C++ It looks like you're not linking in `libpjmedia-codec-[whatever-platform].a'. Make sure you pass the `-lpjmedia-codec-[platform]' option to the linker (for example, for arm-linux-gnu, pass `-lpjmedia-codec-arm-linux-gnu') and let us know if that works. If it doesn't, could you post the full command-line you're using to invoke gcc? John G