I want to use a low bandwidth codec. But whenever I try to use speex I get an error in the conference. We have FS trunk 1288. Switching back to PCMx it works again. Is there any problem with speex and DTMF or with transcoding? Best regards Peter 2009-04-08 00:43:23 [DEBUG] sofia_glue.c:2624 sofia_glue_negotiate_sdp() Set Remote Key [1 AES_CM_128_HMAC_SHA1_32 inline:HU0NdX8n18lnRuEKhmJ1O4zSBaolz3wDtOwWIjy8] 2009-04-08 00:43:23 [DEBUG] sofia_glue.c:1917 sofia_glue_build_crypto() Set Local Key [1 AES_CM_128_HMAC_SHA1_32 inline:r98Rf+0lojftJOPPW9GZon5SZgB6Kg7FsED4cQV3] 2009-04-08 00:43:23 [DEBUG] sofia_glue.c:2738 sofia_glue_negotiate_sdp() Audio Codec Compare [SPEEX:99:16000:20]/[G722:9:8000:20] 2009-04-08 00:43:23 [DEBUG] sofia_glue.c:2738 sofia_glue_negotiate_sdp() Audio Codec Compare [SPEEX:99:16000:20]/[PCMU:0:8000:20] 2009-04-08 00:43:23 [DEBUG] sofia_glue.c:2738 sofia_glue_negotiate_sdp() Audio Codec Compare [SPEEX:99:16000:20]/[PCMA:8:8000:20] 2009-04-08 00:43:23 [DEBUG] sofia_glue.c:2738 sofia_glue_negotiate_sdp() Audio Codec Compare [SPEEX:99:16000:20]/[GSM:3:8000:20] 2009-04-08 00:43:23 [DEBUG] sofia_glue.c:2738 sofia_glue_negotiate_sdp() Audio Codec Compare [SPEEX:99:16000:20]/[SPEEX:98:8000:20] 2009-04-08 00:43:23 [DEBUG] sofia_glue.c:2786 sofia_glue_negotiate_sdp() Substituting codec SPEEX@20i@16000h 2009-04-08 00:43:24 [ERR] mod_sndfile.c:194 sndfile_file_open() Error Opening File [/usr/local/freeswitch/sounds/en/us/callie/conference/conf-pin.wav] [System error : No such file or directory.] 2009-04-08 00:43:24 [WARNING] mod_conference.c:4799 conference_function() Cannot ask the user for a pin, ending call2009-04-08 00:43:24 [NOTICE] mod_conference.c:4800 conference_function() Hangup sofia/internal/723328@sip.mydomain.com [CS_EXECUTE] [DESTINATION_OUT_OF_ORDER]