{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10523720","patent":{"patent_number":"US-10523720","title":"P-CSCF recovery and reregistration","assignee":null,"inventors":[],"filing_date":"2015-02-27T00:00:00.000Z","publication_date":"2019-12-31T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L","H04L","H04L","H04W","H04W","H04W","H04W"],"num_claims":19,"abstract":"A method in an IP multimedia subsystem, IMS, of a telecommunications network. The loss of a secure association between a P-CSCF of the IMS and a user equipment, UE, served by the P-CSCF is detected, or a UE is relocated from a further P-CSCF to the first mentioned P-CSCF. The first mentioned P-CSCF sends a reregistration request to the UE; receives a SIP REGISTER message from the UE; and performs P-CSCF registration with the UE including establishing a new secure association with the UE."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"P-CSCF recovery and reregistration","description":"A method in an IP multimedia subsystem, IMS, of a telecommunications network. The loss of a secure association between a P-CSCF of the IMS and a user equipment, UE, served by the P-CSCF is detected, o","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10523720","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-10523720","citation_suggestion":"Patentable. \"P-CSCF recovery and reregistration\" (US-10523720). https://patentable.app/patents/US-10523720","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10523720","json":"https://patentable.app/api/llm-context/US-10523720","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T19:46:32.486Z"}