Specifications

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Take WSS8-4S/4 gateway as an example. Send the inbound call from IP trunk and analog line in a
circular way to the phone set on the 2
nd
or 3
rd
FXS port.
FXO x ROUTE IP 127.0.0.1:5060
IP x ROUTE FXS 2, 3
Description:
1) Send all calls from FXO port to 5060 port of gateway local IP;
2) Send all inbound calls from any IP (inside and outside) to the 2nd or 3rd FXS port in sequence.
Namely, the 2nd FXS port is selected firstly when it is free, otherwise the 3rd port is selected.
Outbound Call Barring
Restrict users to dial certain telephone numbers, such as an international call. Examples are as
follows:
Routing Setting Description
FXS[1] 0 ROUTE NONE A calling starting with 0 is barred to dial using the
phone set at FXS1 port.
FXS[1-4] 00 ROUTE NONE A calling starting with 00 is barred to dial at 1-4 FXS
ports.
FXS CPN2 ROUTE NONE The telephone whose calling number starts with 2 at
FXS port is barred to call out.
FXO Port Hunting with Outbound Calls
Routing Setting (take WSS8-4S/4 as an example):
FXS x ROUTE IP 127.0.0.1:5060
IP x ROUTE FXO 1,2,3,4/r
Description:
1) Send all calls from FXS port to 5060 port of gateway local IP (this port must be consistent with
the local port in “Configuring SIP”);
2) Send all calls from any IP to FXO port for round selection in an order;
2.4.4 IP Table
After login, click “Routing> “IP Table” tab to open the configuration interface.
Figure 2-8 Configuration Interface for IP Table
This table is designed to ensure the safe use of gateways. Administrators can add the authorized IP
addresses to this table, and the gateways will only process the information from authorized IP
addresses. If the IP table is empty, the gateways will not perform IP address-based message filtering.
For example: the gateway will only process the messages from 202.96.209.133 after adding
202.96.209.133 to its IP table.