I am suddenly flooded with continuous comfort noise debug messages on the Asterisk CLI.
What are they and why am I seeing those?
[2017-01-23 15:13:29] DEBUG[119365][C-0000312a]: res_rtp_asterisk.c:3794 process_cn_rfc3389: - RTP 3389 Comfort noise event: Level 100012 (length= 12)