RADVision Scopia XT1000 Administrator's Manual - page 43

'Initial Configuration' | 37

RADVISION | Administrator Guide for SCOPIA XT1000 Version 2.0

Step 4

Set the fields as required.

Note:

Set the ports accordingly in 

Configuring Dynamic Ports page 32

Step 5

Press  

Save.

Configuring Quality of Service (QoS)

Quality of Service determines how your network will handle IP packets sent to your system during 

a video conference.

Bandwidths and video quality settings in the GUI also contribute to call quality. See 

Configuring 

Bandwidths page 39

 and 

Configuring Video Quality page 51

, respectively.

Note:

For detailed information on QoS based on TOS, refer to RFC-1439.

Note:

Consult with your network administrator to set these fields.

Field Name

Description

NAT Traversal

Enable this field (Yes) when the system could be located behind  a 

firewall/NAT. If set to Yes, the fields on the page become programmable. 

Disable this field (No) when the system is certainly not behind a 

firewall/NAT, but has a public IP address. 

NAT Discovery

Manual method of setting the system’s firewall/NAT public IP address. 

Enter the Public IP address for that setting. 

HTTP discovery - This method uses a RADVISION HTTP server to discover 

the presence of a firewall/NAT and its public IP address.

STUN discovery - This method uses a public STUN server to discover the 

presence of a firewall/NAT and its public IP address. This is the suggested 

method.

Public IP address

Firewall public IP address. The field is enabled if NAT Traversal is set to 

Yes.

Refresh time (sec)

Sets the opening time, in seconds of the pinhole inside the firewall/NAT. 

Also used as TTL by H.460.