Imperative uses a video platform called Twilio. Twilio is a cloud communications platform as a service (CPaaS) company based in San Francisco, California. Twilio uses Amazon Web Services to host telephony infrastructure and provide connectivity between HTTP and the public switched telephone network (PSTN) through its APIs.
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We recommend you and your technical team whitelist Twilio to make sure there are no connectivity issues.
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Please reach out to [email protected] with any questions you may have.