Aastra Dialog 4220 Dialog 4000 Digital Telephones - Page 1

Aastra Dialog 4000 Digital Telephones Aastra Dialog 4000 digital telephones combine excellent sound quality and outstanding features with superior ergonomics. Users also benefit from built-in acoustic shock protection and hearing-impaired support. Environmentally sound design has been a cornerstone in developing the Dialog 4000. All phones support software downloading for remote upgrades and easy maintenance. The Dialog 4000 generation of telephones leads the way into the future for enterprise communications.