Chapter 3 Configuration and Operation of the TES301
If yes, choose STUN or Port Mapping from the NAT Traversal Mode drop- down menu; then, continue with the next step.
Note: Use the scroll bar to access all of the fields on this screen.
3If you selected the STUN option, complete the following steps:
a STUN Server Address—Enter the address of a STUN server running on public network. Your device will send a discover request to the STUN server and decide NAT mode based on the response message from the STUN server.
b STUN Server Port—Specify the port for the STUN server. Your device will send a discover request to the STUN server via the specified port.
c NAT Keep Alive Interval—Enter the number of seconds to indicate the interval for your device to send discover requests to keep NAT traversal active.
d Skip to step 5 to continue.
4If you selected the Port Mapping option, complete the following steps: a External Router Address—Enter the external router address.
b External SIP Signal Port—Enter the external SIP signal port used to communicate with SIP agent in public network.
c External Base RTP Port—Enter the external RTP stream port used to communicate with SIP agent in public network.
5Complete the following steps to configure Codec Settings:
a From the Disabled Codec list, select a Codec you want to enable.
