( < SPam over IP Telephony,
"spämm IP-telefonside kaudu") (spit = sülg)
= VoIP spam

olemus
soovimatud massilised kõnesõnumid VoIP-sides, kirjaliku spämmi analoog kõne kujul
= unsolicited mass voice messages in VoIP communications, the counterpart of text spam in voice form

ülevaateid
https://en.wikipedia.org/wiki/VoIP_spam

tõrje
http://www.wseas.us/e-library/conferences/2010/Corfu/COMMUNICATIONS/COMMUNICATIONS-25.pdf

http://sefcom.asu.edu/publications/sok-a-survey-of-techniques-against-telephony-spam-oakland2016.pdf

http://www.ijmlc.org/papers/410-LC021.pdf

http://paper.ijcsns.org/07_book/201405/20140516.pdf

https://www.cs.purdue.edu/homes/bb/filtering_spam.pdf

https://startrinity.com/VoIP/Resources/sip302.pdf