Related Clues:

• Clip-on beeper
• Vibrating device
• A nurse may carry this on break coming up
• "Your table's ready" signaler
• Home telephone
• Grapeshot? That was used to send someone a message!
• Old electronic bleeping device
• 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
• Is capable of taking a call at home to come down to the bar
• 'Your table's ready' signaler