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Configuring the PSTN (FXO) Gateway on the
SPA3102
Connecting to PSTN and VoIP Services
ATA Administration Guide
This chapter describes how to configure the PSTN gateway on the SPA3102.
•
"Connecting to PSTN and VoIP Services" section on page 94
•
"How VoIP-To-PSTN Calls Work" section on page 95
•
"How PSTN-To-VoIP Calls Work" section on page 98
•
"Configuring VoIP Failover to PSTN" section on page102
•
"Sharing One VoIP Account Between the FXS and PSTN Lines" section on
page103
•
"Other Options" section on page104
•
"Call Scenarios" section on page105
The SPA3102 has the following ports for connection to telephony devices:
•
FXS port (Phone)—Connect to a standard analog telephone or fax machine,
configured by using the Line page.
•
FXO port (Line)—Connect to a standard telephone wall jack for connectivity to
the PSTN, configured using the PSTN Line page.
Line 1 does not provide a gateway because it provides only VoIP service. The
VoIP-To-PSTN calling function is referred to as a
VoIP calling function is referred to as a
Note the following definitions:
•
VoIP caller—One who calls the ATA device via VoIP to obtain PSTN service
PSTN gateway
VoIP gateway
.
6
, and the PSTN-To-
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