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DVG-5112S User's Manual
1. Introduction
Product Overview
The DVG-5112S VoIP Gateway carries both voice and facsimile over the IP network. It uses the industry standard
SIP call control protocol so as to be compatible with free registration services or VoIP service providers' systems.
As a standard user agent, it is compatible with all common Soft Switches and SIP proxy servers. While running
optional server software, the gateway can be configured to establish a private VoIP network over the Internet
without a third-party SIP Proxy Server.
The gateway can be seamlessly integrated into an existing network by connecting to a phone set and fax
machine. With only a broadband connection such as an ADSL bridge/router, a Cable Modem or a leased-line
router, the gateway allows you to use voice and fax services over IP in order to reduce the cost of all long
distance calls.
DDNS support makes the gateway reachable via its domain name where an ISP dynamically assigns an IP
address. By enabling the CDR function, administrators are allowed to log-in and view all call records, for example
call duration, time and date of calls, and latency.
The gateway can be assigned a fixed IP address or it can have one dynamically assigned by DHCP over PPPoE.
It adopts either the G.711, G.726, G.729A or G.723.1 voice compression format to save network bandwidth while
providing real-time, toll quality voice transmission and reception.
D-Link Systems, Inc.
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