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        1. NEMA
        2. Standards
        3. American National Standard for Protocol Specification for Telephone Modem Communication
        Standards Publication

        American National Standard for Protocol Specification for Telephone Modem Communication

        ANSI C12.21-2006 (R2016) | Status: Active | ID: 100356

        Details the criteria required for communications between a C12.21 device and a C12.21 client via a modem connected to the switched telephone network. The C12.21 client could be a laptop or portable computer, a master station system or another electronic communications device.

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        Published Date: Mar.27.2017

        Number of pages: 77

        Staff Contact: Paul Orr

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        Contents and Scope: ANSI 12.21-2006 (R2016)

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        Keywords

        C12 C-12 C.12 C12.21 TELEPHONE MODEM COMMUNICATION AMERICAN NATIONAL STANDARD FOR PROTOCOL SPECIFICATION FOR TELEPHONE MODEM COMMUNICATION C12.21

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