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Linksys ATA Administrator Guide
Document Version 3.1
Chapter 1 Introducing Linksys Analog Telephone Adapters
Overview
Figure 1-1 illustrates how the different ATAs provide voice connectivity in a VoIP network, including
the SPA3102, which acts as a SIP-PSTN gateway. As shown, the following devices also provide
QoS-enabled IP routers in addition to ports for connecting analog telephone devices:
• WRP400
• RTP300
• WRTP54G
• WRTP54GP2
Figure 1-1 Linksys ATAs in the VoIP Network and PSTN
The AG310 and SPA3102 provide full PSTN connectivity in addition to a single FXS port. In addition,
the AG310 provides an ADSL2+ gateway.
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