The Teledex Diamond Series hotel telephone is the world’s most popular guestroom telephone, with over 5 million in service worldwide. Available in single and two line models, with up to ten programmable guest service keys, optional speakerphone and more.

Diamond Series telephones, like all Teledex products, are designed from the ground up to last for years in the demanding hospitality environment. Diamond Series hotel telephones are as user-friendly as they are durable.r