TRENDnet VoIP Gateway, TVP- 221H manual NAT router with built-in DDNS client, TVP-221H User’s Guide

		TVP-221H User’s Guide
Setup
33.	Select “Add” and “HuntGroup”	atpm hadd 11 2 11
34.	Enter following fields
	a. Hunt Group ID: 11
	b. Destination ID: 11
35.	Click on “OK”
Dial Plan Settings / Dialplan Table
Setup	Select “Add” and	atpm dadd <dest_id> dns
36.		<hostname/port> (eg. 11 dns
	“Remote_Host_Name”
		tvp1.dyndns.org)
	(eg. 11 dns tvp1.dyndns.org)

37.Enter the following fields

c.Destination ID: 11

d.Hostname (or IP address) tvp1.dyndns.org

e.Click on “OK”

Dial Plan Settings / Store Dial Plan
38.	Click on “Store”	atpm done
39.	Click on “Yes”
		atpm store

Changes to network settings require rebooting to take effect. Changes to the Dial Plan do not and will take effect as soon as they are stored.

Caution: If you do not store the dial plan, it will be lost when you reboot.

Note: After changing the default IP address, you will be required to use the new IP Address (hostname), in this example tvp2.dyndns.org, to gain access to the TVP-221H via web browser user interface or Telnet1 .

5.8(NAT) router with built-in DDNS client

Case 5: Gateway Prefix-Simplified Gateway Phone to Gateway Phone

A major consideration in NAT to NAT VoIP communication is that the DMZ function and DDNS Client of the NAT routers have to function correctly. If they do not, it will result in one-way communication. The following Case example explains how the

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