Related Clues:

• "Your table's ready" signaler
• Grapeshot? That was used to send someone a message!
• Old electronic bleeping device
• Email ancestor
• Western Union introduction of 1958
• Restaurant's summoning device
• On-call doctor's gadget
• Device that gave you a beep
• This might call you about empty space for reversing
• Item clipped to a doctor's waistband
• Doctor's clip-on device
• 'Your table's ready' signaler
• "Your table's ready" summoning device
• 'Your table is ready' device, often
• Old message