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ExternalCustomerDeviceType1Code

HDST Code: Headless Voice

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HDST means headless voice in the ISO 20022 customer device type code set. Voice-activated device without a screen (e.g., smart speaker) used for initiating transactions.

Code
HDST
ISO name
HeadlessVoice
Status
Registered
Last updated
-

Official definition

Voice-activated device without a screen (e.g., smart speaker) used for initiating transactions.

Definition from the ISO 20022 External Code Sets, 2Q2026 (published 28 Aug 2026).

Messages and fields that use ExternalCustomerDeviceType1Code

MessageElement path
caad.008versions 001.03
caad.009versions 001.03
cafm.001versions 001.04
cafm.002versions 001.04
cain.001versions 001.05
cain.003versions 001.05
cain.005versions 001.05
cain.014versions 001.04

And 5 more messages: see the ExternalCustomerDeviceType1Code page.

HDST questions

What does HDST mean in ISO 20022?
HDST is Headless Voice in the ExternalCustomerDeviceType1Code code set: Voice-activated device without a screen (e.g., smart speaker) used for initiating transactions.

All ExternalCustomerDeviceType1Code codes · ISO 20022 code sets

The ISO 20022 code names and definitions on this page are reproduced from material published at iso20022.org under the ISO 20022 Intellectual Property Rights policy. This is not the official source: the up-to-date ISO 20022 standards and repository material are published only at iso20022.org. Explanations in our own words are by ZagTrader. ZagTrader is not affiliated with or endorsed by ISO or Swift.