{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11240721","patent":{"patent_number":"US-11240721","title":"Voice switching method and apparatus","assignee":null,"inventors":[],"filing_date":"2019-11-19T00:00:00.000Z","publication_date":"2022-02-01T00:00:00.000Z","cpc_codes":["H04L","H04W","H04W","H04W","H04W"],"num_claims":26,"abstract":"Embodiments disclose a voice switching method and apparatus. The method includes: receiving a voice switching request that is sent by a source mobility management entity (MME) and that carries a first communications network currently used by a to-be-switched terminal, a terminal identifier of the terminal, and a target base station identifier; if the first communications network is a preset communications network, sending, to an Internet Protocol multimedia subsystem (IMS), a query request that is used to query whether the terminal currently has a voice switching capability from the first communications network to a locally used second communications network, where the query request carries the terminal identifier; and performing voice switching processing according to the target base station identifier and the terminal identifier if a notification message that is sent by the IMS and that indicates that the terminal has the voice switching capability is received."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Voice switching method and apparatus","description":"Embodiments disclose a voice switching method and apparatus. The method includes: receiving a voice switching request that is sent by a source mobility management entity (MME) and that carries a first","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11240721","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-11240721","citation_suggestion":"Patentable. \"Voice switching method and apparatus\" (US-11240721). https://patentable.app/patents/US-11240721","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11240721","json":"https://patentable.app/api/llm-context/US-11240721","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:35:13.620Z"}