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Error
Application error

37001: WhatsApp Voice: Outbound calls are not supported in this region

Twilio Voice DocumentationVoice

Description

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The business-initiated WhatsApp call failed because it is not supported in the Twilio region.

Possible causes

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Business-initiated WhatsApp calls are not supported in all Twilio regions.

Possible solutions

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Ensure that a business-initiated WhatsApp call is placed in the supported Twilio Region.