SIP User's Manual  30  Document #: LTRT-12804 
  Mediant 800 MSBG 
 
¾  To assign a WAN IP address: 
1.  Cable the device to the WAN network (i.e., ADSL or Cable modem), using the WAN 
port. 
2.  Access the device's Web interface with the Voice and Management IP address. 
3.  Access the 'Settings' page (Configuration  tab > Data  menu > WAN Access > 
Settings). 
4.  From the 'Connection Type' drop-down lists, select the required connection type for 
the WAN, and then configure the subsequent parameters. 
Figure  2-4: Selecting WAN Connection 
 
5.  Configure the WAN interface operating mode for Network Address Port Translation 
(NAPT): 
a.  Click the Click here for Advanced Settings link, and then select the Routing 
tab; the 'Routing' page appears: 
 
b.  From the 'Routing Mode' drop-down list, select 'NAPT'. 
c.  Select the 'Default Route' check box. 
d.  Click OK.