| Phone drone |
| Phone sound |
| Call Franchot |
| Calling sound |
| Hum on a line |
| Telephone hum |
| Caller's need |
| Landline sound |
| Landline signal |
| Cell phone's lack |
| Open line indicator |
| It may follow a click |
| Sound after a hang-up |
| Sound from a receiver |
| Ready" signal of a kind |
| Indication of service availability |
| Sound heard on a landline phone: 2 wds. |
| Sound heard from a landline phone: 2 wds. |
| Feature of a landline, but not a cellphone |
| One thing land-lines have that cellphones lack |