Nat Traversal - D-Link GVC-3000 User Manual

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GVC-3000 User Guide

8.2.4.NAT Traversal

(Settings → Network Configuration → NAT Traversal)

IP Sharing: If IP Sharing is enabled, GVC - 3000 would attempt to use the IP that

is provided, in all of its outgoing messages. This IP can be obtained from your

network administrator.

RTP Port Range: These parameters define the local RTP-RTCP port pair GVC -

3000 will listen and transmit. A minimum of eight ports SHOULD be defined. This

is for supporting two calls at a time, each making use of two RTP-RTCP port pairs.

If IP sharing has been enabled, the RTP port range could be specified by your

administrator.

Press the "Stun" button to get the STUN Configuration screen.

STUN Configuration:

If the Stun Server setting is enabled, then the GVC - 3000 NAT traversal

mechanism would behave according to the STUN client specification. Under this

mode, the embedded STUN client inside the GVC - 3000 will attempt to detect if

and what type of firewall/NAT it is sitting behind through communication with the

specified STUN server. Once GVC - 3000 detects the type of NAT, it will attempt to

use its mapped public IP address and port in all of its outgoing messages. The

STUN server details would be provided by your VoIP service provider.

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