This window will aid the use in configuring filters for IP addresses. This will deny specified LAN IP addresses or specific ports associated with these LAN IP address from accessing the Internet. Well known ports have already been previously set in the IP Filters List and can be modified by clicking their corresponding edit icon, and simple adding an IP address to the configuration.

To access this screen, click the Advanced tab along the top of the configuration window and then the Filters tab to the left hand side.

Protocol

The protocol associated with this IP filter. The user may choose

 

between TCP, UDP or Both.

IP Address

An IP address or range of IP addresses that will be denied

 

access to the Internet.

Subnet Mask

The subnet mask that corresponds to the IP address above.

Start Port/End Port

A port or range of ports that will be denied access to the

44

Page 44 Page 46
Page 45
Image 45
D-Link DVG-G1402S manual Protocol, Start Port/End Port
Page 44 Page 46

DVG-G1402S specifications

The D-Link DVG-G1402S is a robust VoIP gateway designed to bridge traditional telephone services with internet-based communication, catering to both home and small office environments. It combines multiple technologies and functionalities to deliver seamless voice and data transmission over IP networks. This versatile device supports up to four simultaneous VoIP calls, making it an ideal solution for businesses that rely on efficient communication.

One of the standout features of the DVG-G1402S is its two FXS ports, which allow users to connect traditional analog phones directly, enabling the use of existing phone systems without requiring significant infrastructure changes. This makes it economical and practical for users who want to leverage VoIP technology while maintaining their conventional telephones.

The DVG-G1402S also supports various voice codecs, including G.711, G.729, and G.723, providing flexibility and optimal sound quality depending on bandwidth availability. This adaptability ensures that calls remain clear and reliable, even in fluctuating network conditions.

Security is a crucial aspect of modern communications, and the DVG-G1402S does not disappoint. It features integrated firewall capabilities, including NAT (Network Address Translation) and various security protocols to safeguard sensitive voice data against potential threats. Additionally, it supports SIP (Session Initiation Protocol), which enhances compatibility with various VoIP service providers.

Managing the DVG-G1402S is made easy through its user-friendly web interface, allowing users to configure settings, monitor call status, and manage contacts effortlessly. The gateway also offers Quality of Service (QoS) features, prioritizing voice traffic to ensure that calls are not disrupted by other network activities.

Another noteworthy characteristic is its built-in DHCP server functionality, which simplifies network management by automatically assigning IP addresses to connected devices. This enhances the device's usability in dynamic environments where devices frequently connect and disconnect.

In conclusion, the D-Link DVG-G1402S stands out as a reliable VoIP gateway that amalgamates traditional and internet telephony. Its feature-rich design, emphasis on security, and ease of use make it an excellent choice for anyone looking to modernize their communication infrastructure without sacrificing the familiarity of their existing equipment.
Top Page Image Contents