Linksys RTP300 User Guide - Page 16
Comparison of ATA Devices, Introducing Linksys Analog Telephone Adapters
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Introducing Linksys Analog Telephone Adapters Comparison of ATA Devices Comparison of ATA Devices Each Linksys ATA device is an intelligent low-density Voice over IP (VoIP) gateway that enables carrier-class residential and business IP Telephony services delivered over broadband or highspeed Internet connections. A Linksys ATA device maintains the state of each call it terminates and makes the proper reaction to user input events (such as on/off hook or hook flash). The Linksys ATA devices 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 interoperation with all ITSPs that support SIP. The following table summarizes the ports and features provided by the Linksys ATA devices described in this document. Product Name PAP2T SPA2102 SPA3102 FXS (Analog Phone) 2 FXO RJ-45 RJ-45 PSTN Internet Ethernet Connect- (WAN) (LAN) ion - 1 - 2 - 1 1 1 1 1 1 SPA8000 8 - 1 Maintenance only RTP300 2 WRP400 2 - 1 4 - 1 4 WRTP54G 2 WAG54GP2 AG310 1 - 1 4 1 1 1 Configurable Description Voice Lines 2 Voice adapter with two FXS ports. 2 Voice adapter with router. 1 Voice adapter with router and PSTN connectivity. 8 Voice adapter with support for up to eight FXS devices. Supports SIP Trunking for inbound call routing to trunk groups. 2 IP router with two FXS ports. Provides ATA device functionality. 2 Wireless-G IP router with two FXS ports. Provides ATA device functionality. Can be remotely provisioned. 2 Wireless-G IP router with two FXS ports. Provides ATA device functionality. 1 ADSL2+ gateway with VoIP and PSTN connectivity. Provides ATA device functionality. NOTE: The information contained in this guide is not a warranty from Linksys, a division of Cisco Systems, Inc. Customers planning to use Linksys ATA devices in a VoIP service deployment are advised to test all functionality they plan to support before putting the Linksys ATA device in service. By implementing Linksys ATA devices with the SIP protocol, intelligent endpoints at the edges of a network perform the bulk of the call processing. This allows the deployment of a large network with thousands of subscribers without complicated, expensive servers. Linksys ATA Administration Guide 16