Advanced

DVG-2101S User Manual

SIP Setting

This page allows you to configure the settings related to the SIP service provider. You need to configure your VoIP Adapter to communicate with the devices that will send and receive telephone calls over the Internet.

If you are behind a NAT modem or router, you may have to use a STUN server.

Signaling

Enter the signaling port to send and receive the SIP message

Port

for building a session. The default value is 5060 and this must

 

match with the peer Registrar when making VoIP calls.

RTP Start

Specifies the start port for the RTP stream. The default value is

 

40000.

RTP End

Specifies the end port for the RTP stream. The default value is

 

50000.

STUN

Enable or disable the STUN server feature.

Server

Enter the STUN server IP address if you enabled the STUN

Address

server feature.

NAT Keep

Check the checkbox and enter the time period for the NAT to

Alive Time

keep alive.

Rport

Check this checkbox to use rport. Rport, or symmetric

 

signaling, is critical for operations behind some classifications

 

of NATs. If enabled, the SIP stack will send outbound SIP

 

messages on the same port that it listens on. Unless you are

 

familiar with single SIP port, it is better to use rport.

T.38 Fax

Check the checkbox if the remote end also supports FAX

Protocol

function.

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D-Link DVG-2101S user manual SIP Setting