Can multiple RC account be linked and bind together?

I have a general question.

If someone has multiple RC accounts, is there any way to link them all together? Do we need to raise a support ticket for that?

The First Step

I guess, linking accounts for RingCentral can be done only in production.

As per the following link "RingCentral Account Linking provides a set of features to support customers that are split across different accounts" :
https://support.ringcentral.com/s/article/9415?language=en_US

You can follow up with RingCentral's back-end developer support team and request them to merge by submitting a help ticket.

You can add multiple users to the same developer sandbox account you want.

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