A basic office telephone. This example is badged Mitel, as it would have been supplied as part of a Mitel PABX installation. It features an adjustable ringer, so the tone of phones in the same office can be distinguished.
Berkshire loud-speaking Featurephone, complete with 42 number memory, notepad, alarms etc. Supplied by Mercury Communications.
A family of telephones produced by Ascom (formerly Autophon) ranging from a basic business phone to executive featurephones.