Hi, I want to play amr file in freeswitch IVR. But I get Invalid file format [amr] error. Any suggestion to solve this problem? freeswitch log ------------------- 2016-05-05 22:36:02.151586 [INFO] mod_dptools.c:1260 Sending early media 2016-05-05 22:36:02.151586 [DEBUG] sofia_glue.c:5282 Audio Codec Compare [AMR:120:8000:20:0]/[AMR:96:8000:20:12200] 2016-05-05 22:36:02.151586 [DEBUG] sofia_glue.c:3190 Set Codec sofia/internal/1000@10.169.112.170 AMR/8000 20 ms 160 samples 12200 bits 2016-05-05 22:36:02.151586 [DEBUG] switch_core_codec.c:111 sofia/internal/ 1000@10.169.112.170 Original read codec set to AMR:96 2016-05-05 22:36:02.151586 [DEBUG] sofia_glue.c:5451 Set 2833 dtmf send/recv payload to 101 2016-05-05 22:36:02.151586 [DEBUG] mod_erlang_event.c:156 Sending event CODEC to attached session 69a98c32-134c-11e6-a976-6b5931cb8fb7 2016-05-05 22:36:02.151586 [DEBUG] sofia_glue.c:3449 AUDIO RTP [sofia/internal/1000@10.169.112.170] 10.169.112.170 port 22020 -> 192.168.0.174 port 4006 codec: 120 ms: 20 2016-05-05 22:36:02.151586 [DEBUG] mod_erlang_event.c:156 Sending event CODEC to attached session 69a98c32-134c-11e6-a976-6b5931cb8fb7 2016-05-05 22:36:02.151586 [DEBUG] switch_rtp.c:2040 Starting timer [soft] 160 bytes per 20ms 2016-05-05 22:36:02.151586 [DEBUG] sofia_glue.c:3716 Set 2833 dtmf send payload to 101 2016-05-05 22:36:02.151586 [DEBUG] sofia_glue.c:3722 Set 2833 dtmf receive payload to 101 2016-05-05 22:36:02.151586 [DEBUG] sofia_glue.c:3749 sofia/internal/ 1000@10.169.112.170 Set rtp dtmf delay to 40 2016-05-05 22:36:02.151586 [NOTICE] sofia_glue.c:4360 Pre-Answer sofia/internal/1000@10.169.112.170! 2016-05-05 22:36:02.151586 [DEBUG] mod_erlang_event.c:156 Sending event CHANNEL_PROGRESS_MEDIA to attached session 69a98c32-134c-11e6-a976-6b5931cb8fb7 2016-05-05 22:36:02.151586 [DEBUG] switch_channel.c:3368 (sofia/internal/ 1000@10.169.112.170) Callstate Change RINGING -> EARLY 2016-05-05 22:36:02.151586 [DEBUG] mod_erlang_event.c:156 Sending event CHANNEL_CALLSTATE to attached session 69a98c32-134c-11e6-a976-6b5931cb8fb7 2016-05-05 22:36:02.151586 [DEBUG] mod_sofia.c:2891 Ring SDP: v=0 o=FreeSWITCH 1462490942 1462490943 IN IP4 10.169.112.170 s=FreeSWITCH c=IN IP4 10.169.112.170 t=0 0 m=audio 22020 RTP/AVP 120 101 a=rtpmap:120 AMR/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=ptime:20 a=sendrecv 2016-05-05 22:36:02.151586 [DEBUG] switch_core_session.c:871 Send signal sofia/internal/1000@10.169.112.170 [BREAK] 2016-05-05 22:36:02.711592 [DEBUG] switch_core_session.c:1151 Send signal sofia/internal/1000@10.169.112.170 [BREAK] 2016-05-05 22:36:02.731593 [DEBUG] switch_ivr.c:614 sofia/internal/ 1000@10.169.112.170 Command Execute playback(abc_test/en/test.amr) EXECUTE sofia/internal/1000@10.169.112.170 playback(abc_test/en/test.amr) 2016-05-05 22:36:02.731593 [DEBUG] mod_erlang_event.c:156 Sending event CHANNEL_EXECUTE to attached session 69a98c32-134c-11e6-a976-6b5931cb8fb7 2016-05-05 22:36:02.731593 [ERR] switch_core_file.c:150 Invalid file format [amr] for [/usr/local/abc/sounds/en/us/callie/abc_test/en/test.amr]! amr prompt details ------------------------- Audio Format : AMR Format/Info : Adaptive Multi-Rate Format profile : Narrow band Duration : 16s 140ms Bit rate mode : Constant Bit rate : 12.8 Kbps Channel(s) : 1 channel Sampling rate : 8 000 Hz Bit depth : 13 bits Stream size : 25.2 KiB (100%) Thanks.