The interface cards provide cost-effective basic telephone service connectivity to allow remote router management, asynchronous dial-on-demand routing (DDR) and dial backup, dial- and fax-out modem access, and low-density remote-access-server (RAS) services. Combined with the differentiated services delivered through Cisco IOS Software, the Cisco routers offer customers best-of-breed scalability, flexibility, and investment protection-all in cost-effective, multifunctional platforms.
Fax / modem
Max Transfer Rate
K56Flex V.90 V.92
Protocols & Specifications
Bell 103 ITU V.21 Bell 212A ITU V.22 ITU V.22bis ITU V.29 ITU V.32 ITU V.32bis ITU V.34 ITU V.17 ITU V.23 ITU V.27ter ITU V.34bis ITU V.33