I have just tried a simple mp3 file, but freeswitch gives an error when call is established... freeswitch@internal> 2011-08-16 08:58:51.464482 [NOTICE] sofia.c:5725 Channel [sofia/external/00919879459879] has been answered 2011-08-16 08:58:51.464482 [NOTICE] switch_ivr.c:1663 Transfer sofia/external/00919879459879 to inline[socket:127.0.0.1:8084 async full@default] 2011-08-16 08:58:51.464482 [INFO] switch_channel.c:2638 sofia/external/00919879459879 Flipping CID from "" <00919879459879> to "Outbound Call" <gateway/flowroute/00919879459879> 2011-08-16 08:58:52.044467 [ERR] mod_shout.c:806 Error: MPG123 Error at /usr/src/freeswitch/src/mod/formats/mod_shout/mod_shout.c:627. 2011-08-16 08:58:52.044467 [ERR] mod_shout.c:809 Error from mpg123: Invalid mpg123 handle. (code 10) 2011-08-16 08:58:52.304451 [ERR] mod_shout.c:806 Error: MPG123 Error at /usr/src/freeswitch/src/mod/formats/mod_shout/mod_shout.c:627. 2011-08-16 08:58:52.304451 [ERR] mod_shout.c:809 Error from mpg123: Invalid mpg123 handle. (code 10) 2011-08-16 08:58:52.564453 [ERR] mod_shout.c:806 Error: MPG123 Error at /usr/src/freeswitch/src/mod/formats/mod_shout/mod_shout.c:627. 2011-08-16 08:58:52.564453 [ERR] mod_shout.c:809 Error from mpg123: Invalid mpg123 handle. (code 10) 2011-08-16 08:58:52.824447 [ERR] mod_shout.c:806 Error: MPG123 Error at /usr/src/freeswitch/src/mod/formats/mod_shout/mod_shout.c:627. 2011-08-16 08:58:52.824447 [ERR] mod_shout.c:809 Error from mpg123: Invalid mpg123 handle. (code 10) 2011-08-16 08:58:52.844500 [NOTICE] mod_dptools.c:916 Hangup sofia/external/00919879459879 [CS_RESET] [NORMAL_CLEARING] 2011-08-16 08:58:52.884443 [NOTICE] switch_core_session.c:1347 Session 3 (sofia/external/00919879459879) Ended 2011-08-16 08:58:52.884443 [NOTICE] switch_core_session.c:1349 Close Channel sofia/external/00919879459879 [CS_DESTROY] I checked that mod_shout is enable. The .mp3 file is not currupted. I am able to play in mp3 player. Please help solving this error: -Dhairya P.S. I am using plivo php file to make this call