{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11997748","patent":{"patent_number":"US-11997748","title":"Methods and systems for MT call recovery","assignee":null,"inventors":[],"filing_date":"2021-08-24T00:00:00.000Z","publication_date":"2024-05-28T00:00:00.000Z","cpc_codes":["H04W","H04W","H04W","H04W"],"num_claims":12,"abstract":"Methods and systems for MT (mobile terminated) call recovery in an IP multimedia system (IMS) network are discussed herein. A method according to an implementation comprises receiving, via a network, a request to establish a call session with a user equipment (UE); sending, to a first serving call session control function (S-CSCF), a first invite associated with the request; determining that no response is received from the first S-CSCF after a pre-set time period; sending, to a second S-CSCF, a second invite associated with the request, causing the second S-CSCF to perform actions including: obtaining an authentication to establish the call session; and sending, to a proxy call session control function (P-CSCF) of the UE, a third invite associated with the request; and receiving, via the network, a confirmation that the call session with the UE is established."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Methods and systems for MT call recovery","description":"Methods and systems for MT (mobile terminated) call recovery in an IP multimedia system (IMS) network are discussed herein. A method according to an implementation comprises receiving, via a network, ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11997748","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-11997748","citation_suggestion":"Patentable. \"Methods and systems for MT call recovery\" (US-11997748). https://patentable.app/patents/US-11997748","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11997748","json":"https://patentable.app/api/llm-context/US-11997748","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T02:40:13.414Z"}