The demand for a "not in service" audio file usually falls into three categories:
Filmmakers and podcasters use these clips to signify a character has disappeared, moved on, or been cut off from society.
Find a clean version of the recording (ideally with the SIT tones at the beginning). this number is no longer in service recording download
Websites dedicated to "Phreaking" and telephone history often host "clean" versions of these recordings from different decades, including the classic 1980s Bell System voices. How to Set This as Your Voicemail
"I'm sorry, the number you are calling has been disconnected or is no longer in service." The demand for a "not in service" audio
Some users set these recordings as their outgoing voicemail greeting to discourage telemarketers or "debt collectors" from calling back, hoping the automated systems will flag the number as dead.
Many creators have uploaded clean, high-bitrate versions of various carrier recordings. You can use a trusted downloader to grab the audio. Telecom Archive Sites How to Set This as Your Voicemail "I'm
The Sound of Disconnection: A Guide to "This Number is No Longer in Service" Recordings