21449: Number already can be used for outgoing calls and messagesPositive FeedbackNegative FeedbackERROR: 21449error-21449 page anchorPositive FeedbackNegative FeedbackPHONE NUMBERSERROR Error - 21449error---21449 page anchorPositive FeedbackNegative Feedback Number already can be used for outgoing calls and messagesnumber-already-can-be-used-for-outgoing-calls-and-messages page anchorPositive FeedbackNegative FeedbackThe number you attempted to add as an Outgoing Caller ID to your account already can be used for outgoing calls and messages.