DBL Technology EP-636 User Manual
5.6.1.1 Obtain an IP Address Automatically
This selection enables the IP phone to obtain an IP address from the LAN network. When
selecting this selection, make sure that the network DHCP server is enabled.
Note that certain broadband service providers may offer a direct LAN connection with DHCP
Service. The address obtained from the network may or may not be a public address. Consult your
service provider for more information on this. If the IP address obtained is a private address, you
will have to use relay proxy server in order to establish VOIP calls. Port forwarding is normally
not possible since you have no access to the service provider’s router.
5.6.1.2 Specify an IP Address Manually
Either a fixed public IP address or a private IP address can be entered for the LAN port depending
on the network service provided.
If a fixed IP service is available, enter the IP address, the subnet mask, the gateway address, the
primary DNS, and the secondary DNS which are provided by your network service provider.
Make sure that no other device is using the same fixed IP address for internet access. If your PC is
using the same fixed IP address for internet access, you need to change it to a private IP address
and then connect it to the LAN port of the IP phone. Make sure that the IP phone LAN port and
the PC are in the same IP address segment.
5.6.1.3 PPPOE
PPPOE, point-to-point protocol over Ethernet, is a network protocol for encapsulating PPP frames
in Ethernet frames. It is used mainly with cable modem and DSL (Digital Subscriber Line)
services. Click “PPPOE”, and you will see “User Name” and “User Password”. Select “PPPOE”,
if you require the IP phone to dial-up to your ISP directly. This type of dial-up is very popular in
the ADSL and AN/PC access service. In this mode, the IP phone will also function as a router for
internet sharing.
5.6.1.4 Advance Configurations
Click Advance Configurations and you will see the following items as shown in the below screen:
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