Introducing Cisco Small Business Analog Telephone Adapters
Comparison of ATA Devices
Cisco Small Business ATA Administration Guide
19
1
Figure 3 How ATAs Provide Voice Connectivity
•
The PAP2T and the SPA8000 provide FXS ports to connect fax machines and
analog phones to IP telephone services.
•
The SPA3102 and the SPA8800 act as SIP-PSTN gateways.
•
The WRTP54G router provides ports for analog telephone devices and
provides QoS in the form of priority packet queueing.
NOTE
For information about the WRP400, see the
WRP400 Administration Guide
.
SPA3102
Broadband
router
Broadband
router
SPA8000,
PAP2T
DSL/cable
modem
WAG54GP2,
AG310
WRP400, RTP300,
WRTP54G, and
SPA2102
Ethernet/Wireless
LAN
Fax (up to 4
SPA8000)
Analog phone
(up to 8 with
SPA8000)
PSTN
Ethernet/Wired
LAN
Internet
187255
PSTN
Ethernet/Wireless
LAN