Cisco CISCO776 Installation Guide - Page 75
Concepts and Descriptions, Definition of Terms and Acronyms
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CHAPTER 6 Concepts and Descriptions This chapter provides technical explanations of many of the features of the Cisco 700 series router. Although this information is not required to successfully install the router, it might be of interest and assist with troubleshooting efforts. Definition of Terms and Acronyms This section defines some networking terms you will encounter when gathering required information and using Cisco 700 series router manuals to configure the router. Access code A number that must be dialed preceding the telephone number to dial outside of a specific telephone system, such as a Centrex system. AT commands ATtention commands (used for modem communications) BT British Telecom Challenge Handshake Authentication Protocol (CHAP) A form of PPP authentication that requires an exchange of user names and secrets (encrypted passwords) between two devices. This security feature is supported on lines using PPP encapsulation. CHAP passwords are called secrets because they are sent encrypted. Both devices must support PPP. Concepts and Descriptions 6-1