Related Clues:

• Disappearing communication device
• Fax forerunner
• Chatter box?
• Telegraphy trademark
• Communication device
• Send a wire
• Fax predecessor
• Phone-linked printer
• Caller's instrument, perhaps
• Certain messaging device
• Erstwhile news source
• Old communication method
• Happy changing one that's needed to call for change?
• Public machine for making calls
• Money upfront required here for a ring