Investigating issue with a call provider (Twilio)

Twilio has marked the incident as resolved. Everything is now fully operational.

https://status.twilio.com/incidents/5b8wmb5djj4g

Twilio has updated their status page:

> Currently, our baseline call functionality has been restored and is operating normally. [..] Our team is working diligently to resolve any residual issues to minimize any disruption to our users. https://status.twilio.com/incidents/5b8wmb5djj4g

We are continuing to monitor and will post an update to sign off when everything is fully operational.

We are waiting on the all-clear from Twilio, but we believe the service is back online. Please stay tuned for further updates. You can find additional information on https://status.twilio.com/incidents/5b8wmb5djj4g

Twilio incident impacting our service: https://status.twilio.com/incidents/5b8wmb5djj4g

Our team is in communication with Twilio and closely monitoring our system. We will update as soon as we get more information.

Twilio is reporting issues: https://status.twilio.com/

We are currently investigating this issue.