# extconfig.conf
[settings]
voicemail => mysql,mysql,users

# res_config_mysql.conf
[mysql]
dbhost = localhost
dbname = asterisk
dbuser = user
dbpass = PASSWORD
dbport = 3306

#odbcinst.ini
[PostgreSQL]
Description = ODBC for PostgreSQL
Driver      = /usr/lib/libodbcpsql.so
Setup       = /usr/lib/libodbcpsqlS.so
FileUsage   = 1

[MySQL]
Description = ODBC for MySQL
Driver      = /usr/lib64/libmyodbc3.so
Setup       = /usr/lib64/libodbcmyS.so
FileUsage   = 1