{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9699631","patent":{"patent_number":"US-9699631","title":"Preventing access of calls to unauthorized users and automating call transfers","assignee":null,"inventors":[],"filing_date":"2015-05-06T00:00:00.000Z","publication_date":"2017-07-04T00:00:00.000Z","cpc_codes":["H04W","H04M","H04W","H04M","H04M"],"num_claims":18,"abstract":"A first device may be unable to access a line hosting a call that has been placed on hold by a second device when the first device and second device are located remotely from each other. A server device may manage the status of the line to prevent the first device from accessing the line when the line is currently in control by the second device. When the first device and second device communicate via NFC, the line may be automatically released, so that the control of the line and of the call may be automatically transferred to the first device."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Preventing access of calls to unauthorized users and automating call transfers","description":"A first device may be unable to access a line hosting a call that has been placed on hold by a second device when the first device and second device are located remotely from each other. A server devi","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9699631","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-9699631","citation_suggestion":"Patentable. \"Preventing access of calls to unauthorized users and automating call transfers\" (US-9699631). https://patentable.app/patents/US-9699631","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9699631","json":"https://patentable.app/api/llm-context/US-9699631","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:48:58.438Z"}