I have tried mod_mp4 and mod_mp4v2, but give the same error: 2020-06-03 15:03:50.265573 [NOTICE] switch_ivr_originate.c:3794 Channel [sofia/external/2000@sip.vocinity.com] has been answered EXECUTE [depth=0] sofia/external/2000@sip.vocinity.com record_session(/recordings/20200603150346_2000.mp4) 2020-06-03 15:03:50.265573 [DEBUG] mod_mp4v2.c:357 sample rate: 44100, channels: 1 2020-06-03 15:03:50.265573 [INFO] mod_mp4v2.c:402 Opening File [/tmp/bde19022-b1fb-405b-9417-34b10994c775.mp4] 44100hz with VIDEO 2020-06-03 15:03:50.265573 [WARNING] switch_core_codec.c:727 Codec PCMU Exists but not at the desired implementation. 44100hz 20ms 1ch 2020-06-03 15:03:50.265573 [ERR] mod_mp4v2.c:415 Audio Codec Activation Fail 2020-06-03 15:03:50.265573 [WARNING] switch_core_file.c:359 Spool dir is set. Make sure [/tmp/bde19022-b1fb-405b-9417-34b10994c775.mp4] is also a valid path 2020-06-03 15:03:50.265573 [ERR] switch_ivr_async.c:2818 Error opening /recordings/20200603150346_2000.mp4 2020-06-03 15:03:50.265573 [DEBUG] switch_channel.c:3865 (sofia/external/ 2000@sip.vocinity.com) Callstate Change EARLY -> ACTIVE
<> nathan stratton