thumb | Phone Patch in Vietnam War, 1969 An autopatch, sometimes called a phone patch, is a feature of an amateur radio repeater, two-way radio, or base station to access an outgoing telephone connection. Users with a transceiver capable of producing touch tones (DTMF signals) can make a telephone call, typically limited by settings in the autopatch module to be only to flat-rate numbers, such as local calls or toll-free numbers.
thumb | Phone Patch in Vietnam War, 1969 An autopatch, sometimes called a phone patch, is a feature of an amateur radio repeater, two-way radio, or base station to access an outgoing telephone connection. Users with a transceiver capable of producing touch tones (DTMF signals) can make a telephone call, typically limited by settings in the autopatch module to be only to flat-rate numbers, such as local calls or toll-free numbers.
== Phonepatch vs. mobile telephony == The practice of connecting an amateur radio station to a telephone network existed from the beginning of amateur radio, and was used commercially as well (as was the case with Carterfone, prompting lawsuits filed by the companies to which it was connected).
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).