![Dispatches: is your charity's telephone fundraising off the hook? | Voluntary Sector Network | Guardian Professional Dispatches: is your charity's telephone fundraising off the hook? | Voluntary Sector Network | Guardian Professional](https://static-secure.guim.co.uk/sys-images/Guardian/Pix/pictures/2014/8/12/1407847070190/Phone-off-the-hook-014.jpg)
Dispatches: is your charity's telephone fundraising off the hook? | Voluntary Sector Network | Guardian Professional
![Antique green rotary telephone with receiver off the hook isolated cut out on a white background Stock Photo - Alamy Antique green rotary telephone with receiver off the hook isolated cut out on a white background Stock Photo - Alamy](https://c8.alamy.com/comp/F8JG0C/antique-green-rotary-telephone-with-receiver-off-the-hook-isolated-F8JG0C.jpg)
Antique green rotary telephone with receiver off the hook isolated cut out on a white background Stock Photo - Alamy
What does 'off the hook' mean in 'He left the phone off the hook so that he wouldn't be disturbed'? - Quora
![Telephone off the hook. I want to say from the 80s to the early 90s, if you left the phone off the hook it would ring busy for the person calling you Telephone off the hook. I want to say from the 80s to the early 90s, if you left the phone off the hook it would ring busy for the person calling you](https://i.redd.it/lonkf41hg1p81.jpg)