3Com VCX V7000, Руководство по установке

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390 A
PPENDIX
B: A
UTOMATED
B
RANCH
O
FFICE
I
NSTALLATION
Sample DHCP Configuration File (continued)
option phone-184.second_row code 2 = {ip-address};
The previous line defines option code 2 as an IP address. In this case the IP
address is for the Primary Call Processing Server in the regional office that
is associated with the branch office in which the telephone is located.
Branch office telephones obtain call processing services from this
processor if the branch office server is unavailable.
option phone-184.third_row code 4 = {ip-address,string};
The previous line defines option code 4 as an IP address and a string of
characters. In this case, the IP address is for the PSTN gateway that
connects the branch office to the Public Switched Telephone Network.
The character string is the dial string prefix that is used when both the
branch office server and the regional Call Processing Server are
unavailable. Under these conditions, telephones must interact directly
with the PSTN gateway.
The dial string prefix determines which telephone numbers can be dialed.
The asterisk (*) character is a wildcard that can represent any number. For
example, a prefix of 91* allows callers to call any number that begins
with the digits 91.
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#BRANCH OFFICE 21 CONFIGURATION
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This section contains information that is specific to the configuration of a
branch office. Duplicate this section for each branch office in your VCX
system and, for each new section, modify the appropriate elements to
match the requirements of the branch.
Any configuration parameter that needs to be changed for each branch is
marked by the phrase CHANGE FOR EACH BRANCH.