User`s manual

Private IP: Specifies the private IP address of the internal host offering the service.

Private Port: Specifies the private port number of the service offered by the internal host.

Apply: Click here to add the port-mapping entry and enable the service.

Note: 1. If there is a WEB server in private LAN, the HTTP login port of gateway will be

changed to 6000.

2. If there is a TELNET server in private LAN, the TELNET login port of gateway will be

changed to 6001.

4.1.4 Dynamic DNS

DDNS is a service that maps Internet domain names to IP addresses. DDNS serves a si

milar purpose to DNS: DDNS allows anyone hosting a Web or FTP server to advertise a pu

blic name to prospective users. Unlike DNS that only works with static IP addresses, DDNS

works with dynamic IP addresses, such as those assigned by an ISP or other DHCP server.

DDNS is popular with home network, who typically receive dynamic, frequently-changing IP

addresses from their service provider. To use DDNS, one simply signs up with a provider an

d installs network software on their host to monitor its IP address.

How to use DDNS

First: you should register a new DDNS service account from this web site:

http://www.dyndns.com/newacct

User Name: Input your DDNS User N

Password: Input your DDNS Password

Domain Name: Input you set from your DDNS.(ie.Ebrax.gotdns.com)

DNS Server IP: Input your DNS Server IP.

4.2 VoIP Setup

VoIP Basic Configuration:

4.2.1 Configure the VoIP protocol to H.323 Protocol: