References

• DIoT Labs https://diotlabs.daraghbyrne.me
• GitHub - Dialogflow Fulfillment with Telephony, Google Sheets API, and Slot Filling https://github.com/dialogflow/fulfillment-telephony-nodejs/blob/master/README.md
  
• Particle Docs https://docs.particle.io/reference
• Tutorial of Particle Channel on IFTTT https://docs.particle.io/tutorials/integrations/ifttt/
• Google Cloud - Text-to-Speech - SSML https://cloud.google.com/text-to-speech/docs/ssml