Contact emails
gabrielbr...@microsoft.com, stev...@microsoft.com, joloe...@microsoft.com


Explainer
https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/Notifications/notifications_actions_customization.md


Specification
https://notifications.spec.whatwg.org


Design docs

https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/Notifications/notifications_actions_customization.md
https://issues.chromium.org/issues/40246169


Summary

Extend the Notifications API to allow installed PWA's to send incoming call 
notifications - ie, notifications with call-styled buttons and a ringtone. This 
extension will help VoIP web apps to create more engaging experiences by making 
it easier for users to easily recognize a calling notification and answer it. 
Besides that, this feature will help bridge the gap between native and web 
implementations of apps that have them both.



Blink component
UI>Notifications


TAG review



TAG review status
Not applicable


Risks




Interoperability and Compatibility

No interop & compat risk


Gecko: No signal (https://github.com/mozilla/standards-positions/issues/707)

WebKit: No signal (https://github.com/WebKit/standards-positions/issues/89)

Web developers: No signals

Other signals:


WebView application risks

Does this intent deprecate or change behavior of existing APIs, such that it 
has potentially high risk for Android WebView-based applications?


Goals for experimentation




Ongoing technical constraints




Debuggability




Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, 
ChromeOS, Android, and Android WebView)?
No
Windows



Is this feature fully tested by web-platform-tests?
No


DevTrial instructions
https://blogs.windows.com/msedgedev/2025/02/04/request-for-feedback-incoming-call-notifications-api


Flag name on about://flags
IncomingCallNotifications


Finch feature name
None


Non-finch justification
None


Requires code in //chrome?
False


Tracking bug
https://bugs.chromium.org/p/chromium/issues/detail?id=1383570


Estimated milestones


DevTrial on desktop 135




Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5110990717321216


Links to previous Intent discussions
Intent to Prototype: 
https://groups.google.com/a/chromium.org/g/blink-dev/c/PtHemJah2Qc



This intent message was generated by Chrome Platform Status.

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