Frequently Asked Questions | D-Link DVG-1402S manual

Frequently Asked Questions (continued)

port, Authentication User Name, Authentication Password, and Confirm Password.

Q: After setting up the DVG-1402S, I cannot surf the internet.

A:Re-check all the cabling installations. Make sure that the Ethernet cable from the PC is plugged into one of the LAN ports of the DVG-1402S and the Ethernet cable from the cable modem is plugged into the WAN port of the DVG- 1402S. Once this is verified but you still cannot access the Internet, then verify the configurations via the Web GUI.

1)Access the Web GUI by entering the IP address: 192.168.15.1 in the Address bar.

2)Select Configure WAN/LAN Access.

3)Select Configure WAN Port.

4)In the WAN Restart settings – Get IP from one of the following:

a.If using a cable modem - Choose DHCP and fill in the available information and click “Save”. User will be prompted to either “Save changes and reboot system now” or “Continue and ‘Restart System’ later”. Choose “Save changes and reboot system now” and wait for the unit to reboot (not the PC).

b.If using a DSL modem – Choose PPPoE and fill in the available information and click “Save”. User will be prompted to either “Save changes and reboot system now” or “Continue and ‘Restart System’ later”. Choose “Save changes and reboot system now” and wait for the unit to reboot (not the PC).

c.If the service provider gives a specific IP address – Choose Manual and enter the given information in the fields.

5)Once the DVG-1420S has rebooted, select Configure LAN Port.

6)Select Dynamic IP assignment.

7)In the “State” field, make sure that “Enabled” is selected.

8)Select “Save” and choose to reboot the DVG-1402S (not the PC).

9)Verify that the IP address on the PC has an address of 192.168.15.x , where “x” is a number assigned by the DVG-1420S.

DVG-1402S specifications

The D-Link DVG-1402S is a versatile voice gateway designed to empower small to medium-sized businesses with seamless voice over IP (VoIP) communication. This device integrates traditional telephony with modern Internet Protocol (IP) technologies, offering a significant upgrade from conventional phone systems.

One of the main features of the DVG-1402S is its dual functionality as both a VoIP gateway and a router. It enables users to connect standard analog telephones to a VoIP network, thus converting existing telephone systems into a more cost-effective solution. This feature is particularly beneficial for businesses looking to maintain their current telephony setup while transitioning to VoIP.

Equipped with two FXS (Foreign Exchange Subscriber) ports, the DVG-1402S allows connectivity to two analog phones, ensuring that users can make and receive calls through the VoIP service without the need for additional hardware. The device supports a variety of signaling protocols, including SIP (Session Initiation Protocol), enabling compatibility with a wide range of VoIP service providers.

The DVG-1402S also boasts advanced QoS (Quality of Service) features that prioritize voice traffic over data, ensuring clear and uninterrupted voice calls even during peak internet usage. This characteristic is crucial for businesses that rely heavily on VoIP communication, as it enhances call quality and reduces latency.

In addition, the device supports multiple codecs including G.711, G.723, and G.729, providing flexibility in bandwidth usage. Users can select the codec that best fits their internet connection and call quality requirements, optimizing performance based on their specific needs.

The DVG-1402S includes an easy-to-use web-based management interface for configuration and troubleshooting, making it user-friendly for both IT professionals and average users. Furthermore, it features built-in security measures such as encryption and firewall capabilities to protect voice communications from potential threats.

In summary, the D-Link DVG-1402S is a comprehensive VoIP solution that combines functionality, performance, and ease of use. With its ability to integrate with existing telephony systems, support for various protocols and codecs, and advanced QoS features, it stands out as a reliable choice for businesses looking to enhance their communication infrastructure with VoIP technology. Its versatility makes it a valuable asset for any modern office environment.