the SIP proxy server domain name. The phone will then use

 

the domain name in Domain Name field as part of SIP URL

 

but send and receive SIP messages through the SIP proxy

 

server defined in the Service Domain field.

IP Address

Enter the IP address of the SIP Server in this field.

Domain Name

Enter the domain name corresponding to the IP address

 

entered above in this field.

Port

Enter the SIP server’s listening port for the SIP in this field.

 

Leave this field set to the default if your VoIP service

 

provider did not give you a server port number for SIP.

Secondary SIP Server

The Secondary Features (FQDN, IP address, domain name

 

and port), act as a backup for the initial connections’ settings.

 

In the event that the connection with the SIP server is lost,

 

the backup settings will be used.

Outbound Proxy

The Outbound Proxy is a normal SIP proxy. If instructed to

 

do so by your ISP, enable the Outbound Proxy, and enter its

 

IP address, Domain Name and Port Number in the

 

appropriate fields.

Service Domain

Enter the SIP service domain name in this field.

URL Format

Select SIP-URLto have the router include the domain name

 

with the SIP number in the SIP messages that it sends.

 

Select TEL-URLto have the router use the SIP number

 

without a domain name in the SIP messages that it sends.

User Parameter

You can set this to phone or none. This determines

 

whether or not the phone number is appended to the

 

information forwarded to your SIP server. Your VoIP

 

service provider will instruct you which setting to use.

Caller ID Delivery

Use this pull-down menu to initiate the delivery of the

 

inbound caller ID.

Display CID

Use this pull-down menu to enable or disable the display of

 

the Caller ID.

Timer T2

Set the timer to 4, 8, 16 or 32.

Initial Unregister

Enable or disable the initial unregister.

Register Expiration

Use this field to set how long the router will wait before

 

sending a repeat registration request if a registration attempt

 

fails or there is no response from the registration server.

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D-Link DVG-1402S manual Domain Name, Port, Secondary SIP Server, Outbound Proxy, Service Domain, URL Format, User Parameter

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.