- https://developer.nexmo.com/voice/voice-api/overview
- https://developer.nexmo.com/api/voice/ncco
- https://developer.nexmo.com/stitch/overview
- https://github.com/Nexmo
- https://github.com/nexmo-community
- https://github.com/nexmo-community/rapporteur-workshop
- https://developer.nexmo.com/tutorials/private-voice-communication
- https://register.gotowebinar.com/rt/4736905383379955715 (voice call tracking)
- https://www.nexmo.com/blog/2017/08/03/inbound-voice-call-campaign-tracking-dr/
- https://www.youtube.com/watch?v=v69dJbCfb-8 (sentiment analysis conference talk)
- https://register.gotowebinar.com/recording/7952180850491069704 (sentiment analysis live coding)
- https://github.com/nexmo-community/rapporteur-workshop (sentiment analysis code)
- https://www.nexmo.com/blog/2018/03/14/speech-voice-translation-microsoft-dr/
- https://www.nexmo.com/blog/2016/12/19/streaming-calls-to-a-browser-with-voice-websockets-dr/
- https://www.ibm.com/watson/
- https://www.ibm.com/watson/services/speech-to-text/
- https://www.ibm.com/watson/services/tone-analyzer/
- https://www.ibm.com/watson/services/natural-language-understanding/