Twilio Outbound working but not inbound

HI! I'm trying to input a Twilio number and I followed all the steps for the video in the docs. However, the outbound calls all fail with this error message An error occurred in this call: call.in-progress.error-sip-telephony-provider-failed-to-connect-call

The inbound calls work which is even more confusing. The call id of the outbound call that failed is 02012940-1c16-416e-9f61-9d8a47f248db
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