Specifications

VoiceFinder VoIP Gateway Configuration Guide (APOS 2.0) Release Version 3.1
AddPac Technology Co., LTD
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Chapter 1 . Overview
1.1. VoiceFinder Gateway Series
The AddPac VoiceFinder Gateway Series are the voice over IP gateways which allow using a
telephone at a low cost or even for free by supporting the voice communication using Internet
and leased-line in enterprise (head office and branch), public office and Small and Medium
Business (SMB) environment.
This gateway uses the latest voice compression and QoS algorithms of AddPac Technology’s
proprietary that allows maintaining the best voice quality regardless of whether the network is
broadband or narrow band. This gateway has the various voice interface modules including
FXS, FXO, E&M and digital E1/T1 that are suitable to the user’s demands and provides a great
flexibility to respond to the environmental changes of the user’s network and protects the
investment.
The AddPac VoiceFinder Gateways can be used in various network environments such as
leased line, ADSL and cable modems networking with fixed and dynamic IP environments. And
the gateway supports various network protocols such as static, RIP v1/2, OSPF v2 routing
function and Internet application functions such as NAT/ PAT. Especially in the dynamic
network environment, the VoIP and IP sharing platform provides the most economical and
efficient solutions in the broadband networks.
Also the VoiceFinder gateways are interoperable with the major vendor’s gatekeepers and
large-scale gateways. The VoiceFinder gateways are easy and simple to use, operate and
maintain. The gateway provides the voice integrated service solutions.
The gateways can support firewall in 2 ways, packet filtering and access list and limit the
access from the outside network by using sauce and destination address information.
Also the gateways can allocate IP addresses automatically to the network clients below the
router by using Dynamic Host Configuration Protocol (DHCP) and Network Address
Translation (NAT) allows the gateways to solve the shortage problem of IP address due to an
explosive increment of the users. At the same time, the internal IP address is hidden from the
outside for the enhancement of security features.
Information