{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8515042","patent":{"patent_number":"US-8515042","title":"Method for indicating call progress state, conference control device, and conference system","assignee":null,"inventors":[],"filing_date":"2010-11-19T00:00:00.000Z","publication_date":"2013-08-20T00:00:00.000Z","cpc_codes":["H04N","H04L","H04N","H04N","H04N"],"num_claims":9,"abstract":"A method, equipment, and conference system for a call progress state are provided. The adopted scheme includes: after a call request is sent to a called terminal, multimedia indication information of a call progress state is obtained. The multimedia indication information of the call progress state is sent to a management station of conference control device and/or a conference terminal, so that the management station of conference control device and/or the conference terminal output a corresponding multimedia indication of a progress state according to the multimedia indicating output information of the call progress state."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for indicating call progress state, conference control device, and conference system","description":"A method, equipment, and conference system for a call progress state are provided. The adopted scheme includes: after a call request is sent to a called terminal, multimedia indication information of ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8515042","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-8515042","citation_suggestion":"Patentable. \"Method for indicating call progress state, conference control device, and conference system\" (US-8515042). https://patentable.app/patents/US-8515042","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8515042","json":"https://patentable.app/api/llm-context/US-8515042","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T01:59:02.482Z"}