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Windows 2003 Server 357
resides on the same server as the Primary VCX Network Call Processor
(NCP).
■ Alternate Server IP Address — Specifies a second location from
which a telephone can receive its download. Typically, this is the IP
address of the Secondary VCX NCP in a dual-server configuration.
■ Voice VLAN Configuration — If you configure any of your 3Com
telephones or your VCX system on Virtual LANs, you can configure
your DHCP server to specify VLAN ID numbers for each scope. You can
also enable and disable VLAN operation for each DHCP scope.
■ Fail-Over Call Route Point — You can define a single fail-over route
point (IP address) and an associated dial string for SIP devices such as
telephones to use.
If a failure occurs on the Primary VCX Call Processing Server, the
telephone switches to the Secondary VCX Call Processing Server. If
both are unavailable, the telephone switches to peer-to-peer SIP
operation and attempts to connect to the IP address of the fail-over
route point. The dial string controls the types of calls that can be made
while the telephone is in peer-to-peer mode.
To configure option 184:
1 In the Predefined Options and Values window, verify that 184 is selected
in the Option name field.
2 In the lower area of the window, click Edit Array.
3 In the Numeric Value Array Editor window that appears, highlight the 0
(zero), and click Remove.
4 To create the new value, enter each element of the new value:
a Click in the New value text box.
b Type the individual element value.
c Click Add.
Configuring the IP Address of the Primary VCX Call Processor
Suboption 1 of option 184 defines the IP address of the Primary VCX Call
Processing Server. For each element in
Table 23, repeat steps 4 a, b, and
c, listed earlier in this topic. As you add each element, it appears in the
Current values list, above previously added values.