Skip to contentSkip to navigationSkip to topbar
Page tools
Useful for sharing or LLM
Accelerate development with AI

On this pageProducts used
Looking for more inspiration?Visit the
Warning
Carrier error

32021: SHAKEN/STIR call verification failed

Twilio Elastic SIP Trunking DocumentationSIP Trunking
Twilio Voice DocumentationVoice

Description

description page anchor

Twilio cannot verify incoming SHAKEN PASSporT from carrier

Possible causes

possible-causes page anchor

See the error message for details

No action required. Incoming call to your Twilio number can still be established without STIR(Secure Telephone Identity Revisited) status.