add-on UIBScm. two-way integration with Reservations Delivery (ARI+RD) was released after it was tested on selected chain properties and was released for availability to production in Q1 2022. UIBScm. two-way offers optimized security and efficiency across a wealth of PMS integrations for modern Reservations Delivery and is integrated with UIBScrs. common inventory feature that allows a single source of truth on property capacity for all connected channels.