💡 Please note this is a feature that is currently being beta tested by select users. It will be released to all users later this year.
When you add an additional number to your account, it can only be used to have conversations via the Inbox.
In other words, additional numbers cannot be used to send campaigns to groups, set up keywords, or create drip campaigns.
If you need to do any of the above, use the primary number associated with your account.