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Detecting SPIT Attacks in VoIP Networks Using Convolutional Autoencoders: A Deep Learning Approach. Applied Sciences 13 12 (2023) 6974.","DOI":"10.3390\/app13126974"},{"key":"e_1_3_3_1_19_2","unstructured":"Staff Reporter. 2025. Airtel\u2019s anti-fraud measures cut customer financial losses by nearly 70 percent. Economic Times (2025). https:\/\/economictimes.indiatimes.com\/industry\/telecom\/telecom-news\/airtels-anti-fraud-measures-cut-customer-financial-losses-by-nearly-70\/articleshow\/123917348.cms?from=mdr Airtel\u2019s anti-fraud measures cut customer financial losses by nearly 70 percent."},{"key":"e_1_3_3_1_20_2","unstructured":"Staff Reporter. 2024. DND List Ineffective: 90% Get Spam Calls - LocalCircles. Rediff Money (2024). https:\/\/money.rediff.com\/news\/market\/dnd-list-ineffective-90-get-spam-calls-localcircles\/6749320240218 Survey shows 90% of DND registered users still receive spam calls."},{"key":"e_1_3_3_1_21_2","unstructured":"Staff Reporter. 2024. Most mobile users receive daily spam calls mainly from financial and realty sectors. The Federal (2024). https:\/\/thefederal.com\/category\/business\/most-mobile-users-receive-daily-spam-calls-mainly-from-financial-and-realty-sectors-142305 LocalCircles survey: 88and real estate as primary sources of spam calls."},{"key":"e_1_3_3_1_22_2","unstructured":"Staff Reporter. 2021. A single number in India made 202 million spam calls this year. India Today (2021). https:\/\/www.indiatoday.in\/technology\/news\/story\/a-single-number-in-india-made-202-million-spam-calls-this-year-1889040-2021-12-17 TrueCaller data: over 3.8 billion spam calls in India in October 2021 averaging 120+ million per day; average 16.8 spam calls per user per month."},{"key":"e_1_3_3_1_23_2","unstructured":"Staff Reporter. 2025. Spam calls texts result in heavy loss through cyber crime. Times of India (2025). https:\/\/timesofindia.indiatimes.com\/city\/hyderabad\/spam-calls-texts-result-in-heavy-loss-through-cyber-crime\/articleshow\/118396839.cms Socio-economic costs and cybercrime losses associated with spam calls in India."},{"key":"e_1_3_3_1_24_2","unstructured":"Staff Reporter. 2024. TRAI cracks down on spam callers: 50 entities blacklisted 2.75 lakh numbers disconnected. Times of India (2024). https:\/\/timesofindia.indiatimes.com\/business\/india-business\/trai-cracks-down-on-spam-callers-50-entities-blacklisted-2-75-lakh-numbers-disconnected\/articleshow\/113024582.cms"},{"key":"e_1_3_3_1_25_2","unstructured":"Staff Reporter. 2024. Trai\u2019s anti-spam push: 50 firms blacklisted and 275 000 lines cut by telcos. Business Standard (2024). https:\/\/www.business-standard.com\/economy\/news\/trai-s-anti-spam-push-50-firms-blacklisted-and-275-000-lines-cut-by-telcos-124090400166_1.html TRAI statistics: 2.75 lakh numbers disconnected 50 entities blacklisted spam complaints reduction in 2024."},{"key":"e_1_3_3_1_26_2","unstructured":"Staff Reporter. 2024. TRAI\u2019s crackdown on spam calls shows mixed results robo calls on the rise. Business Today (2024). https:\/\/www.businesstoday.in\/technology\/news\/story\/trais-crackdown-on-spam-calls-shows-mixed-results-robo-calls-on-the-rise-454944-2024-11-25 Survey shows 18% of consumers report increase in robocalls despite TRAI measures."},{"key":"e_1_3_3_1_27_2","unstructured":"Staff Reporter. 2020. Truecaller identifies 29.7 billion spam calls 8.5 billion spam SMS for users in India in 2019. 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