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4. SPA-3000 Configuration
4.1. Overview
The SPA-3000 has 1 FXS and 1 FXO port. Each port is a RJ11 connector – the FXS is labeled
“Phone” and the FXO is labeled “Line.” A standard analog telephone can be connected to the FXS
port to provide VoIP services just as with the SPA-1000 and SPA. In this document, when describing
the software functions of the SPA-3000, the FXS port is referred to as Line 1. The configuration of
Line 1 is similar to Line 1 in The SPA-1000 and SPA, with several additional options for PSTN-VoIP
gateway configurations.
The FXO port can be connected to a standard PSTN line or other phone service – including another
VoIP service. With the FXO port, the SPA-3000 can bridge a PSTN and a VoIP service. This
functionality is referred to as a
Gateway
. We do not consider Line 1 as a gateway since it only
provides VoIP service. We refer to the VoIP-To-PSTN calling function as a
PSTN Gateway
, and
PSTN-To-VoIP calling function as a
VoIP Gateway
. We also define:
o
VoIP Caller – one who calls the SPA-3000 via VoIP to obtain PSTN service.
o
VoIP User – a VoIP Caller which has a user account (user-id and password)
on the SPA-3000
o
PSTN Caller as one who calls the SPA-3000 from the PSTN to obtain VoIP
service.
Line 1 can be configured with a regular VoIP account and can be used in the same way as the Line 1
of the SPA-1000 or SPA. A second VoIP account can be configured in the SPA-3000 to support
PSTN gateway calls exclusively. We shall refer to this account as the FXO Line. The options for the
FXO Line are configured under the “FXO” tab on the SPA-3000 configuration web page. Line 1
works almost independently of the FXO Line. In fact, Line 1 can be disabled without affecting the
operations on the FXO Line. A different SIP Port should be assigned to Line 1 and the FXO Line. The
same VoIP account may be used for both Line 1 and the FXO Line as long as each line uses a
different SIP Port.
Unless stated otherwise, the term SPA refers to a SPA-3000 in the following sections.
4.2.
Gateway Call Restriction by Dial Plan
Gateway calls can be restricted on a per caller basis using dial plans. Up to 8 dial plans can be
configured to restrict gateway calls in either direction. The parameters are:
Parameter
Group
Description
Range
Dial Plan 1
FXO
A dial plan that can be assigned to a PSTN or VoIP caller
Str511
Dial Plan 2
FXO
Str511
Dial Plan 3
FXO
Str511
Dial Plan 4
FXO
Str511
Dial Plan 5
FXO
Str511
Dial Plan 6
FXO
Str511
Dial Plan 7
FXO
Str511
Dial Plan 8
FXO
Str511
4.3. Authentication
Methods
VoIP Callers can be authenticated by one of these methods:
1. No Authentication: All Callers will be accepted for service
