This is a issue with some sort of default setting,
if you reload app_voicemail you will get a message in console of
voice*CLI> module reload app_voicemail.so
Module ‘app_voicemail.so’ reloaded successfully.
[2020-01-17 02:35:44] WARNING: app_voicemail.c:14229 actual_load_config: maxsilence should be less than minsecs or you may get empty messages
If I go to config edit, the file is not writeable. any thing that I should do to fix the warning?