Integrating Asterisk with Google Assistant Voice Service on a Raspberry Pi Zero using AGI
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rgrokett Updated instructions for Raspbian Stretch OS.
No code changes needed, just extra packages.
Latest commit 51fdbf4 Sep 29, 2017

README.md

RaspiAsteriskGoogle

Integrating Asterisk with Google Assistant Voice Service on a Raspberry Pi Zero using AGI

See the RaspiAsteriskGoogleInstallation.pdf document for complete installation details. https://github.com/rgrokett/RaspiAsteriskGoogle/raw/master/RaspiAsteriskGoogleInstallation.pdf

This is a proof-of-concept of integrating Google Assistant voice service with Asterisk on a Raspberry Pi. You should not connect this to a publicly accessible inbound telephone number without reading and agreeing to Google Assistant SDK Terms of Service. (Requires approval and possible fees) But can be used for personal use only.

Note that although this works on a Raspi Zero W, it runs much faster on a Raspberry Pi 3.

GOOGLE ASSISTANT SDK

Requires a Google Cloud Account (free) https://developers.google.com/assistant/sdk

https://developers.google.com/assistant/sdk/prototype/getting-started-pi-python/config-dev-project-and-account

WORKAROUND for GOOGLE OAUTH

If you get a python error while running the google-oauthlib-tool on page 8 of pdf doc, just leave off the "python -m"

$ google-oauthlib-tool --client-secrets /home/pi/client_secret.json --scope https://www.googleapis.com/auth/assistant-sdk-prototype --save --headless

UPDATE for RASPBIAN STRETCH OS:

This pgm will work with Raspbian Stretch, but you will need to install several more Python packages:

$ sudo python -m pip install grpcio

$ sudo python -m pip install --upgrade google-assistant-library

$ sudo python -m pip install --upgrade google-assistant-grpc

$ sudo python -m pip install --upgrade tenacity sounddevice

These can be installed at any time before trying to run the test.sh program shown on Page 9 of the PDF doc.