{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8462773","patent":{"patent_number":"US-8462773","title":"Default gateway, terminal device, and method for exchanging VoIP signaling","assignee":null,"inventors":[],"filing_date":"2011-06-03T00:00:00.000Z","publication_date":"2013-06-11T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L","H04M","H04M","H04L"],"num_claims":14,"abstract":"A terminal device receives a called telephone number inputted by a user. The terminal device generates a called domain name corresponding to the called telephone number according to a predefined rule, and queries the DDNS server for a called IP address that corresponds to the called domain name. The terminal device exchanges VoIP signaling with a called terminal device according to the called IP address when the called IP address is successfully queried from the DDNS server."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Default gateway, terminal device, and method for exchanging VoIP signaling","description":"A terminal device receives a called telephone number inputted by a user. The terminal device generates a called domain name corresponding to the called telephone number according to a predefined rule,","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8462773","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-8462773","citation_suggestion":"Patentable. \"Default gateway, terminal device, and method for exchanging VoIP signaling\" (US-8462773). https://patentable.app/patents/US-8462773","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8462773","json":"https://patentable.app/api/llm-context/US-8462773","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:38:50.985Z"}