{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9602657","patent":{"patent_number":"US-9602657","title":"Callback telecommunication system","assignee":null,"inventors":[],"filing_date":"2013-12-24T00:00:00.000Z","publication_date":"2017-03-21T00:00:00.000Z","cpc_codes":["H04M","H04M","H04M","H04M","H04M","H04M","H04M"],"num_claims":28,"abstract":"A telecommunication system enables a server to receive a request from a calling external telecommunication device (CTD) for a telecommunication connection with a receiving external telecommunication device (RTD), establish data connection with CTD in response to request, receive from CTD a receiver identifier (RID) and store RID, establish a data connection with RTD using RID, transmit to RTD, after data connection is established, a server identifier (SID), close data connection with RTD after transmission, receive a request for a telecommunication connection from RID via SID within a time slot after said closing, check, in response to request for a telecommunication connection from RTD via SID, if RID of RTD matches stored RID, and establish a telecommunication connection through server between CTD and RTD if RID matches stored RID."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Callback telecommunication system","description":"A telecommunication system enables a server to receive a request from a calling external telecommunication device (CTD) for a telecommunication connection with a receiving external telecommunication d","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9602657","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-9602657","citation_suggestion":"Patentable. \"Callback telecommunication system\" (US-9602657). https://patentable.app/patents/US-9602657","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9602657","json":"https://patentable.app/api/llm-context/US-9602657","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T08:23:46.811Z"}