Mar 27 20:39:59 WARNING[25545]: channel.c:2333 set_format: Unable to find a codec translation path from g729 to gsm
Mar 27 20:39:59 WARNING[25545]: channel.c:2333 set_format: Unable to find a codec translation path from g729 to gsm
    -- IAX2/Globotech-3 answered IAX2/simon-2
Mar 27 20:40:00 WARNING[25553]: channel.c:2698 ast_channel_make_compatible: No path to translate from IAX2/simon-2(2) to IAX2/Globotech-3(256)
Mar 27 20:40:00 WARNING[25553]: app_dial.c:1555 dial_exec_full: Had to drop call because I couldn't make IAX2/simon-2 compatible with IAX2/Globotech-3