Chapter 1: Introducing Cisco Small Business Analog Telephone Adapters - Cisco Small Business Pro SPA3102 Administration Manual

Introducing Cisco Small Business Analog
Telephone Adapters
ATA Administration Guide
This guide describes the administration and use of Cisco Small Business analog
telephone adapters (ATAs). These ATA devices are a key element in the end-to-
end IP Telephony solution. An ATA device provides user access to Internet phone
services through one or more standard telephone RJ-11 phone ports using
standard analog telephone equipment. The ATA device connects to a wide area IP
network, such as the Internet, through a broadband (DSL or cable) modem or
router.
Telephone/fax
V
Linksys ATA
This chapter introduces the functionality of the ATA devices and describes the
features that are available.
Refer to the following topics:
•
"Comparison of ATA Devices," on page17
•
"ATA Connectivity Requirements," on page 20
•
"ATA Software Features," on page 25
Broadband
Ethernet
Broadband CPE
(DSL, cable,
fixed wireless)
1
Voice
Layer 3
gateway
IP infrastructure
PSTN
V
V
SIP proxy
16