To Check Your Number Registration Status: Go to your Phone Numbers in the Twilio Console, then Manage > Active Numbers. For additional guidance, visit our Troubleshooting article.

Twilio Voice JavaScript and Mobile SDK Network Connectivity and Bandwidth Requirements

The connectivity and bandwidth requirements for Twilio's Javascript, iOS, and Android SDKs can vary depending on the version in use. For a complete rundown of the connectivity needs for each SDK, see Voice SDKs Network Connectivity Requirements.

Note: For Twilio Programmable Video network requirements, see Programmable Video IP Addresses (Twilio Docs).

Additional Resources

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