nano /usr/share/freeswitch/scripts/itas/ace_conf.lua
CONF_SMS_WHICH = 'twilio'
CONF_SMS_TWILIO_FROM = 'TODOFIXME'
CONF_SMS_TWILIO_SID = 'TODOFIXME'
CONF_SMS_TWILIO_TOKEN = 'TODOFIXME'
replace each of the 'TODOFIXME' below with the appropriate values