How to detect phone ring?

Chris Rende car at trux.UUCP
Tue May 14 23:49:43 AEST 1991

I'd like to write a daemon that simply logs when the telephone line rings.

I can handle the part that opens a file and writes out the date. :-)

But how do I detect or receive a signal that the phone line is ringing?

Christopher A. Rende           Central Cartage (Nixdorf/Pyramid/SysVR2/BSD4.3)
uunet!edsews!rphroy!trux!car   Multics,DTSS,Unix,Shortwave,Scanners,UnixPC/3B1
car at                Minix 1.2,PC/XT,Mac+,TRS-80 Model I,1802 ELF
trux!ramecs!car     "I don't ever remember forgetting anything." - Chris Rende

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