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American National Standard for Protocol Specification for Telephone Modem Communication

 

Status: Active
ANSI C12.21-2006   [BUY]

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.

 

Published Date: Oct.12.2004

Electronic Copy
$117 [BUY]
Hardcopy Price
$117 [BUY]


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ANSI C12.21-2006