And got call, but after i answer it - call ended in approx. 1 second.
before this make sync2flash and reboot
/memcfg/etc/asterisk/sounds/en# ls
agent-pass.gsm auth-thankyou.gsm vm-goodbye.gsm
auth-incorrect.gsm isdown.wav vm-msginstruct.wav
Error in logs:
[Oct 25 13:43:20] WARNING[2033] chan_extra.c: Unable to enable echo cancellation on channel 1 (No such device)
[Oct 25 13:43:20] WARNING[3450] file.c: File /etc/asterisk/sounds/en/isdown.wav does not exist in any format
[Oct 25 13:43:20] WARNING[3450] file.c: Unable to open /etc/asterisk/sounds/en/isdown.wav (format 0x8 (alaw)): No such file or directory
[Oct 25 13:43:20] WARNING[3450] app_playback.c: ast_streamfile failed on EXTRA/1-1 for /etc/asterisk/sounds/en/isdown.wav