Kept on hand at the Votwin Public Gardens and Inn the Dinner Bell is perfect for calling the party members to dinner who may not be nearby.  The Dinner Bell has 4 charges, and once all 4 are exhausted the dinner bell ceases to be magical.  A charge can be used as a bonus action or reaction.  The bell can be used without using a charge.

• Ring of the Gifted (4 Charges) - Casts Telepathic Bond
• Ring of the Unseen (3 Charges) - Casts Unseen Servant
• Ring of the Messenger (2 Charges) - Casts Sending
• Ring of the Loquacious (1 Charge) - Casts Tongues