slamming
ümberloopimine
olemus
üks telefonikelmusi,
ebaseaduslik teenuseandja vahetamine kliendi nõusolekuta
ülevaateid
https://www.youtube.com/watch?v=lTkoOBim8Zk
https://en.wikipedia.org/wiki/Telephone_slamming
tõrje
https://www.fcc.gov/consumers/guides/slamming-switching-your-authorized-telephone-company-without-permission
https://www.att.com/esupport/article.html#!/smb-digital-phone/KM1236277
https://corporate.findlaw.com/litigation-disputes/telephone-slamming.html