Import a number from DIDWW

Before you begin

An active DIDWW account is required. Sign in or create an account.
A completed DIDWW SIP integration is required.
A Vapi assistant for inbound calls is required.

Prepare the DIDWW number

Purchase or select a DIDWW number

If needed, purchase a number from the DIDWW Coverage page. The number must support inbound calls and have available capacity. If you already own a suitable number, continue with it.

For detailed purchasing instructions, see Buy Numbers.

Assign the inbound trunk

In the DIDWW User Panel, go to Phone Numbers → My Numbers and select the number. Choose Batch Actions → Update Trunks, select the Vapi inbound trunk, and click Confirm.

See Assign inbound SIP trunk to your DID numbers for the complete DIDWW procedure.

Import the number

Dashboard

cURL

Open the import form

In the Vapi dashboard, go to Phone Numbers, click Create Phone Number, and select BYO SIP Trunk Number.

Enter the DIDWW number

Enter the number in E.164 format, including the + prefix. Leave Allow non-E164 phone numbers off, select the DIDWW Inbound Trunk credential, and optionally add a label. Then click Import SIP Phone Number.

Vapi Create Phone Number form with BYO SIP Trunk Number selected and the DIDWW Inbound Trunk credential chosen — Import the DIDWW number with the DIDWW SIP trunk credential.

Assign an assistant

Open the imported number, select an assistant under Inbound Settings, and click Save.

Vapi phone number Inbound Settings with an assistant selected to handle inbound calls — Assign an assistant to handle inbound calls to the DIDWW number.

Test the number

Call the DIDWW number from an external phone and confirm that the assigned assistant answers. You can also use the imported number for outbound calls to an external PSTN number to test outbound calling.

If a call fails, verify that the number is assigned to the correct DIDWW inbound trunk and that all DIDWW signaling IPs are enabled for inbound calls in the Vapi credential.