Cisco SPA112 Administration Guide - Page 6
Getting Started with the Cisco SPA100 Series Phone Adapters, Feature Overview - configuration
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1 Getting Started with the Cisco SPA100 Series Phone Adapters Thank you for choosing the Cisco SPA100 Series Phone Adapters. This chapter provides more information about the features of the product and provides instructions about connecting the equipment and getting started in the webbased configuration utility. • Feature Overview • Before You Begin, page 7 • Product Features • Connecting the Equipment • Overview of the Configuration Utility Feature Overview Cisco SPA100 Series Analog Telephone Adapters (ATA) provide access to Internet phone services through two standard telephone RJ-11 phone ports using standard analog telephone equipment. The ATA connects to the Internet through a broadband (DSL or cable) modem or router. The ATA can be used with an on-site call-control system or an Internet-based call-control system. Each ATA is an intelligent low-density Voice over IP (VoIP) gateway that enables carrier-class residential and business IP Telephony services delivered over broadband or high-speed Internet connections. An ATA maintains the state of each call it terminates and reacts appropriately to user input events (such as on/off hook or hook flash). The ATAs use the Session Initiation Protocol (SIP) open standard so there is little or no involvement by a "middle-man" server or media gateway controller. SIP allows inter-operation with all ITSPs that support SIP. Cisco SPA100 Series Phone Adapters Administration Guide 6