I have a general question.
If someone have multiple RC account, is there any way to link them all together? Do we need to raise any support ticket for that?
I guess, linking account 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" :
You can add multiple users in same developer sandbox account you want
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