14 Chapter 3 Configuring Your IP1200C
TCP/IP Setup
Before you start using your IP1200C, you must have an Internet access line from your local ISP. It could be xDSL,
Cable Modem access, or Leased Line. You will be given the information of
IP Address
,
Gateway IP
and
Subnet
Mask
from your network administrator. If your network is in the DHCP environment, you may enable the DHCP
function.
IP Address
IP Address is an identifier for device on a TCP/IP network. Your IP Address allows other VoIP devices on the
Internet to find your location. The format of an IP address is a 32-bit numeric address written as four numbers
separated by periods.
Step 1 At the prompt displays
Select the option to setup:
, input <1> and press ENTER to edit IP Address.
Step 2 At the prompt displays
New IP Address (press ESC to exit):
, input the IP Address <xxx.xxx.xxx.xxx>
obtained from your ISP or network administrator and then press ENTER.
Prompt example:
If your IP address is 192.168.200.100, input it as follows.
Select the option to setup: 1
New IP Address (Press ESC to exit): 192.168.200.100
Press any key to continue...
IP1200C supports the Internet connection from Leased Line, xDSL (not include PPPoE) or Cable Modem. To
ensure the performance of IP1200C, it is recommended that you assign a
static
and
real
IP address to IP1200C.
If your network is behind
NAT
or
firewall
, you can assign a
pseudo
IP address to your IP1200C. IP1200C can go
through NATs and firewalls with its preset communication ports. In general, you do not need to open ports on
your network gateway or router.
Note:
If your network is in the
DHCP
environment, please
skip
the IP address, gateway IP and subnet mask
settings and go to (5) DHCP and enable it.
Note
: When you encounter one-way voice cannot be heard problem, the reason might be that the specific
communication ports for IP1200C been blocked. Make sure your router or ISP does not block the specific
ports as follows. For 4-port IP1200C, the preset ports are TCP 1100 port and UDP 1101-1104 ports; for 8-port
IP1200C, they are TCP 1100 port and UDP 1101-1108 ports.
Gateway IP Address
The purpose of a gateway is to link two different types of networks. For example, the Gateway IP Address for a
LAN to connect to the WAN is the IP Address of the router.
Step 1 At the prompt displays
Select the option to setup:
, input <2> and press ENTER to edit Gateway IP.
Step 2 At the prompt displays
New Gateway IP (press ESC to exit):
, input the Gateway IP <xxx.xxx.xxx.xxx>
and then press ENTER.
Prompt example:
If your Gateway IP address is 192.168.200.254, input it as follows.
Select the option to setup: 2
New Gateway IP (press ESC to exit): 192.168.200.254
Press any key to continue...
Subnet Mask
Subnet Mask is a mask used to determine which subnet an IP address belongs to. It enables the network
administrator to divide the host part of the address into two or more subnets.
Summary of Contents for IP1200C
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