{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8538387","patent":{"patent_number":"US-8538387","title":"Single voicemail for dual-mode phones","assignee":null,"inventors":[],"filing_date":"2007-12-12T00:00:00.000Z","publication_date":"2013-09-17T00:00:00.000Z","cpc_codes":["H04M","H04M","H04M"],"num_claims":11,"abstract":"Single voicemail for dual-mode phones. Functionality is added to a dual-mode phone such that the dual-mode phone when operating in cellular mode sends a predetermined signal when it answers an incoming call. An enterprise mobility controller, on forwarding a call to the cellular side of a dual-mode phone after failing to complete a Wi-Fi connection, starts a timer. If the mobility controller does not receive the predetermined signal before the timer expires, it assumes that the cellular call has been handed off to the cellular voicemail system, terminates the cellular call, and sends the call to the enterprise voicemail system."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Single voicemail for dual-mode phones","description":"Single voicemail for dual-mode phones. Functionality is added to a dual-mode phone such that the dual-mode phone when operating in cellular mode sends a predetermined signal when it answers an incomin","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8538387","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-8538387","citation_suggestion":"Patentable. \"Single voicemail for dual-mode phones\" (US-8538387). https://patentable.app/patents/US-8538387","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8538387","json":"https://patentable.app/api/llm-context/US-8538387","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T16:18:53.544Z"}