Does Sideline have the ability to enable read receipts? Follow Sideline does not offer a "read receipt" option. A read receipt shows the sender when the recipient has opened the message. If you have any further questions, please submit a request. Related articles Do Sideline calls or text messages show on the phone bill? Can Sideline encrypt text messages? Can I edit group text details? Can Sideline make video calls? Does Sideline offer a desktop app? Comments 0 comments Please sign in to leave a comment.