Cisco SPA2102 Administration Guide - Page 19

Introducing Cisco Small Business Analog Telephone Adapters Comparison of ATA Devices Figure 3 How ATAs Provide Voice Connectivity Ethernet/Wireless LAN 1 Fax (up to 4 SPA8000) W WRTP54G and SPA2102 PSTN Broadband router DSL/cable modem WSPA3102 Internet Analog phone (up to 8 with SPA8000) SPA8000, PAP2T SPA3102 Ethernet/Wired LAN Broadband router Ethernet/Wireless LAN PSTN 187255 • 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 SPA112, SPA122, and WRP400: www.cisco.com/en/US/products/ps10024/prod_maintenance_guides_list.html Cisco Small Business ATA Administration Guide 19