31007: Twilio Client: Voice JavaScript SDK version not supported

Twilio Voice JavaScript SDK 1.x has been shut down. If you are receiving this error, you must upgrade your application to 2.x to restore functionality.

• You are using Voice JavaScript SDK version 1.x in your application
• You are using Twilio Flex UI version 1.x in your contact center

• Follow the migration guide to upgrade your application to Twilio Voice JavaScript SDK 2.x
• Follow the Flex migration guide to upgrade your Flex instance to UI 2.x