{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9621715","patent":{"patent_number":"US-9621715","title":"Delivering a toll-free caller ID on toll-free calls","assignee":null,"inventors":[],"filing_date":"2015-03-02T00:00:00.000Z","publication_date":"2017-04-11T00:00:00.000Z","cpc_codes":["H04M","H04L","H04L","H04L","H04L","H04M","H04M","H04M","H04M","H04M","H04M"],"num_claims":18,"abstract":"A computer device may include logic configured to receive a Session Initiation Protocol (SIP) telephone call and identify the SIP telephone call as originating from a first toll-free telephone number and destined for a second toll-free telephone number. The computer device may further determine a screened telephone number associated with the first toll-free telephone number; generate a diversion header that includes the determined screened telephone number for the SIP telephone call, in response to identifying the SIP telephone call as originating from the first toll-free telephone number and destined for the second toll-free telephone number; and send the SIP telephone call to a local exchange carrier network associated with the second toll-free telephone number."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Delivering a toll-free caller ID on toll-free calls","description":"A computer device may include logic configured to receive a Session Initiation Protocol (SIP) telephone call and identify the SIP telephone call as originating from a first toll-free telephone number ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9621715","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-9621715","citation_suggestion":"Patentable. \"Delivering a toll-free caller ID on toll-free calls\" (US-9621715). https://patentable.app/patents/US-9621715","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9621715","json":"https://patentable.app/api/llm-context/US-9621715","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:10:52.951Z"}