{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8477766","patent":{"patent_number":"US-8477766","title":"Method for collect call service based on VoIP technology and system thereof","assignee":null,"inventors":[],"filing_date":"2010-12-15T00:00:00.000Z","publication_date":"2013-07-02T00:00:00.000Z","cpc_codes":["H04M","H04M","H04M","H04M","H04M","H04M","H04M","H04M","H04M","H04M","H04M","H04M","H04M","H04M"],"num_claims":34,"abstract":"One embodiment of the present invention provides a collect call method and system thereof, more particularly, in order to charge the called party with a uniform toll for collect call, which is determined by only the type and location of called party terminal. In one embodiment, the collect call method, system and a counsel service providing method use a free VoIP network for part of the voice call link and a charge PSTN network for the rest of the voice call link. In one embodiment, if the first link corresponding to the collect call request is established, the collect call switch calls the called party terminal to establish the second link, and billing on the second link is initiated."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for collect call service based on VoIP technology and system thereof","description":"One embodiment of the present invention provides a collect call method and system thereof, more particularly, in order to charge the called party with a uniform toll for collect call, which is determi","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8477766","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-8477766","citation_suggestion":"Patentable. \"Method for collect call service based on VoIP technology and system thereof\" (US-8477766). https://patentable.app/patents/US-8477766","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8477766","json":"https://patentable.app/api/llm-context/US-8477766","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T09:22:55.244Z"}