Crossword Heaven

Answer: DIALTONE

DIALTONE is a crossword puzzle answer that we have spotted 24 times.

• It may follow a click
• Indication of service availability
• Sound after a hang-up
• "It's okay to call now" signal
• Receiver sound
• Signal to place a call
• Caller's need
• Cell phone's lack
• "Ready" signal of a kind
• Landline signal
• Sound from a receiver
• Calling sound
• Phone sound
• Hum on a line
• 'Go ahead and call' sound
• Hum on the line
• Caller's go-ahead
• It's a mix of 350 Hz and 440 Hz in the United States
• Landline sound
• Feature of a landline, but not a cellphone
• Sound around a cradle
• Sound on a landline phone
• Cellphone lack
• Increasingly quaint phone sound