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DETAILED CONFIGURATION & REFERENCE | 59
Hot Tip
Some versions of the Telos Zephyr and Zephyr Express do not require that Directory Num-
bers be entered. This is not true for the Telos Nx12 and other newer products.. You must
correctly enter these numbers for the system to work.
Note for the Curious
The actual physical B channels of the BRI line are assigned on a per call basis, with the rst
incoming call assigned to the rst B channel. However, the call setup message on the D
channel includes what number was dialed, and the Directory Number allows the system to
sort it all out.
IMPORTANT
After you enter (or change) your SPIDs or DN’s you must restart the system to use the new
information. Therefore, once you have entered SPIDs, DNs, or MSNs cycle power o and then
back on. Then go to the ISDN status screen and verify “Ready” status for all channels.
Clock Loss
is setting is relevant only when there are ISDN lines that “go to sleep” or there is some other
unusual ISDN Telco condition. Most users should leave this set to the default setting of Hold
Last.
5.6 The System Menu
is menu consists of items that affect basic system operation.
TCP/IP Setup
e Nx12 and PC hosting the Web browser should have IP addresses in the same range (the
first 3 of the four numbers of the IP address should match) and should have the same subnet
mask.
Host Name (Web only)
e IP network text name. Default is Nx12.
IP Address
is is the IP address for this Nx12. An IP address is a series of 4 numbers separated by periods.
is is a numeric-only field; enter the digits as described above. You should enter no leading
zero in each of the four numbers (if you are given 192.168.000.012 enter 192.168.0.12).
Subnet
is is your subnet mask. e subnet mask is set to the size of your local network. All packets
addressed to a destination outside this local area are sent to the gateway router.
e subnet mask is a series of 4 numbers separated by periods in the same format as the IP
address. A subnet with 256 addresses would have this mask value: 255.255.255.0.
Gateway
is is the IP address of a gateway router connecting your LAN to the Internet. You will need