Hello, The error message seems clear : Le 12/07/10 21:37, Maya Zalcberg a ?crit : > "_pjmedia_codec_g729_init", referenced from: > _pjsua_media_subsys_init in > libpjsua-arm-apple-darwin9.a(pjsua_media.o) > ld: symbol(s) not found pjmedia_codec_g729_init not found from pjsua_media_subsys_init in pjsua_media.o/.c Maybe you need to enable a define. Unfortunately I don't have another idea. Samuel