Add custom text below dial-in number in Session Details dialog (BBB 3.0)

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Saiful Bhuiyan

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Oct 22, 2025, 6:14:19 AM (9 days ago) Oct 22

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Hi everyone,

I’m running BigBlueButton 3.0.x and noticed that the welcome message, moderator message, and dial-in information are now displayed in the new Session Details dialog instead of the public chat.

I’ve successfully customized the welcome text using the following properties in /etc/bigbluebutton/bbb-web.properties:

defaultWelcomeMessage=
defaultWelcomeMessageFooter=

However, I’d like to add a line of custom text directly below the phone number that appears on the right side of the Session Details dialog (for example, “For international dial-in options, contact sup...@example.orgThe text in defaultWelcomeMessageFooter appears at the bottom of the dialog, not under the dial-in block.

Is there a supported way (via configuration or customization) to insert custom text directly under the dial-in number in BBB 3.0?