3Com VCX V7000 Installation Manual page 408

406 A B: A
PPENDIX UTOMATED
B O I
RANCH FFICE NSTALLATION
Option 3 — Router Address
To configure the IP Address of the router (network gateway) in the branch
office:
1 Expand the view of the scope you want to configure by clicking the plus
sign (+) to the left of the scope name.
2 Select Scope Options, right click, and in the menu that appears, click
Configure Options.
3 In the Available Options list, enable the check box beside the 003 Router
item.
4 In the Data entry area of the window, optionally enter a name for the
router in the Server name text box.
5 Enter the router's IP address in the IP address text box.
6 Click Add.
Option 120 — SIP Server Options
Use the SIP server options to specify the IP addresses of the SIP servers
(the Primary Call Processing Server and the Secondary Call Processing
Server) in the VCX system.
To configure Option 120 for 3Com equipment:
1 In the Predefined Options and Values window, verify that 120 is selected
in the Option name field.
2 In the lower area of the window, click Edit Array.
3 In the IP Address Array Editor window that appears, enter the IP
addresses of the Primary and Secondary Call Processing Servers, one at a
time, in the IP address text box, and click Add to add each item.
4 Click OK to return to the Predefined Options and Values window.
5 Click OK.
Option 184 — Network Call Processor Download Options
3Com telephones can receive their IP configuration from a DHCP server.
However, 3Com telephones need configuration information that is not
part of a standard DHCP response. You can use DHCP option 184 to
specify this extended information:
NCP IP Address — Each telephone must receive a download of
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operating settings from the VCX Downloader task, which typically