Cisco Small Business Pro SPA3102 Administration Manual page 21

Introducing Cisco Small Business Analog Telephone Adapters
Comparison of ATA Devices
ATA Administration Guide
Figure 1 How ATAs Provide Voice Connectivity
Fax (up to 4
SPA8000)
Analog phone
(up to 8 with
SPA8000)
•
The SPA3102 and SPA8000 act as SIP-PSTN gateways. They provide PSTN
connectivity in addition to a single FXS port.
•
The WRP400 and WRTP54G routers provide ports for analog telephone
devices and provide QoS in the form of priority packet queueing.
Broadband
router
SPA8000,
PAP2T
SPA3102
Ethernet/Wired
LAN
Ethernet/Wireless
LAN
WRP400,
WRTP54G,
and SPA2102
DSL/cable
modem
Internet
Broadband
router
PSTN
1
19