{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9813538","patent":{"patent_number":"US-9813538","title":"Malicious call recognition method and apparatus","assignee":null,"inventors":[],"filing_date":"2017-01-18T00:00:00.000Z","publication_date":"2017-11-07T00:00:00.000Z","cpc_codes":["H04M","H04M","H04M","H04W","H04M","H04M"],"num_claims":20,"abstract":"Embodiments of the present disclosure disclose a malicious call recognition method and apparatus, and belong to the field of mobile communication. The method includes: obtaining call detail record information of the call when a local end makes a call to a peer end, the call detail record information of the call including a call record of the local end within first preset duration that is closest to current time, and/or a call record of the peer end within the first preset duration that is closest to the current time; matching the call detail record information of the call with a malicious model corresponding to a malicious call event included in a preset malicious model library; and determining the call to be a malicious call if the malicious model that matches with the call detail record information of the call is found."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Malicious call recognition method and apparatus","description":"Embodiments of the present disclosure disclose a malicious call recognition method and apparatus, and belong to the field of mobile communication. The method includes: obtaining call detail record inf","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9813538","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9813538","citation_suggestion":"Patentable. \"Malicious call recognition method and apparatus\" (US-9813538). https://patentable.app/patents/US-9813538","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9813538","json":"https://patentable.app/api/llm-context/US-9813538","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:15:44.767Z"}