80203: No Available Proxy For Country

This Service has no compatible Proxy numbers for this Participant.

This Service has no available Proxy numbers for the participant's number country code <country>.

There are no numbers in the Service that can be assigned to this participant's identifier.

Add a Twilio number from your account to the Service that matches the participant's country code. Alternatively, pass the proxyIdentifier's optional property when creating the participant. Please note that international tolls may apply.