{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8538397","patent":{"patent_number":"US-8538397","title":"System and method for in-band modem to modem communication","assignee":null,"inventors":[],"filing_date":"2012-11-22T00:00:00.000Z","publication_date":"2013-09-17T00:00:00.000Z","cpc_codes":["H04M","H04L","H04L","H04L","H04M","H04W","H04W","H04M","H04M","H04M","H04M"],"num_claims":18,"abstract":"Systems, methods and programmed instructions are disclosed useful for transmitting signals representing data messages to and from a wireless handheld telephony device along a first call leg of a communication session previously established between the wireless handheld telephony device and at least one second telephony device, the communication session being controlled by a call control server."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"System and method for in-band modem to modem communication","description":"Systems, methods and programmed instructions are disclosed useful for transmitting signals representing data messages to and from a wireless handheld telephony device along a first call leg of a commu","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8538397","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-8538397","citation_suggestion":"Patentable. \"System and method for in-band modem to modem communication\" (US-8538397). https://patentable.app/patents/US-8538397","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8538397","json":"https://patentable.app/api/llm-context/US-8538397","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T17:37:06.161Z"}