Issue

After completing a porting request, you need to configure incoming call handling to continue taking calls as expected with your ported number.

Product

Programmable Voice, Twiml

Resolution

After porting a phone number to Twilio, inbound calls to the number will be met with the default greeting.

If you would like to quickly set up a custom greeting to avoid downtime for ported numbers, this can be achieved with TwiML Bins following the detailed steps in this article:

• Cannot Change the Default Voice Message for the Twilio Phone Number

You can also capture recorded voicemails from incoming callers following these steps:

• Building a Voicemail Using TwiML Bins

To set up a phone tree IVR (Interactive Voice Response) system, you can use Twilio Studio, our visual drag-and-drop editor for creating communications workflows, or the Programmable Voice SDKs, to add calling directly into your web and native mobile applications.

Additional Information

Studio

• Twilio Studio Product Overview
• Get Started with Twilio Studio
• Studio Widget Library
• Forward Calls with Twilio Studio
• Record Voicemail widget
• How to build an IVR with Twilio Studio
• Create an IVR or Phone Tree Menu with Twilio Studio

Voice SDKs

• Voice SDKs Overview
• Voice API Overview
• Build an Interactive Voice Response (IVR) Phone Tree

For more complex workflows, you can also consider Twilio Flex, our digital engagement center for sales and service that gives developers control over the customer experience.

Flex

• Flex Overview
• Flex Onboarding Guide
• Flex Developer Documentation
• Add a Custom Greeting or Initial Response to Flex
• Build an IVR for Flex with Twilio Studio