
IG7500 Administration Manual
Page 6 of 37
1. Introduction
The IG7500 Gateway supports a FXS port and a FXO port, both have a separate SIP account
assigned to register to remote SIP Sever. The IG7500 also support IP networking systems.
The IG7500 design is designed for hosted IP providers that want to provide fax services,
support PSTN failover, and managed WLAN for the customers.
Interfaces
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1 FXO port (Loop Start, for PSTN)
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1 FXS port (for Analog Telephone or FAX)
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1 WAN port: 10BASE-T/100BASE-TX/1000BASE-T Gigabit Ethernet port
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4 LAN ports: 10BASE-T/100BASE-TX
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802.11b/g/n WiFi access point
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3 USB 2.0 host ports: Connects to your USB storage devices, USB printer or
3G dongle.
Basically, the Maul is required to do the following things:
(1) To understand the architecture, resources, and devices of whole environment
which will be involved with the VoIP communications.
(2) To build a common setting file.
(3) To configure each interfaces and install them.
(4) And to solve the problems that users encounter during operation.