sourcePhoneNumberArn
The claimed phone number ARN being imported from the external service, such as Amazon Pinpoint. If it is from Amazon Pinpoint, it looks like the ARN of the phone number to import from Amazon Pinpoint.
The claimed phone number ARN being imported from the external service, such as Amazon Pinpoint. If it is from Amazon Pinpoint, it looks like the ARN of the phone number to import from Amazon Pinpoint.