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Evaluating Symptoms and Solutions 95
ISDN LAN Modem has assigned
all available IP addresses.
From another computer attached to the ISDN LAN
Modem, go to the LAN Modem’s main configuration
page. Click Workstations. Select the name of computer
you removed and then click Select. Click Release
Workstation Entry. Reboot the workstation. The newly-
added workstation can now be assigned an IP address.
If you cannot release a workstation entry, connect a
telephone to one of the ISDN LAN Modem’s phone
ports and press **3265# from the keypad to release
the last IP address assigned by the LAN Modem.
The LAN Modem seems to be
placing calls inadvertently.
NetBIOS is making DNS requests
causing the LAN Modem to
initiate a call.
Enable NetBIOS filtering. From the ISDN LAN Modem’s
home page, click LAN Parameters. Check the box
labeled Enable NetBIOS filtering.
Although multiple service
providers are configured, all
calls are going to the same
service provider which is a
private network.
You may not have configured the
IP address and the subnet mask
in the Private Network
Parameters window.
From the ISDN LAN Modem’s home page, click Service
Providers and then select the private network profile
you already configured. Enter the IP address and the
subnet mask for the private network.
Clicking Submit in the LAN
Modem’s configuration pages
does not take you to the next
screen.
JavaScript may not be enabled in
your Web browser.
Enable JavaScript via your Web browser’s configuration
options.
The Windows 95 “Connect
To” window opens upon
launching a Web browser.
Networking is setup for use with
a serial port modem.
To bypass the “Connect To” window:
1 Double-click the Internet icon in the control panel.
2 Clear the check box labeled “Connect to the
Internet as needed.”
3 Click OK.
This allows all outgoing connections to run directly
through your ISDN LAN Modem.
Calls cannot be placed from
analog equipment
If you cannot place calls, there
may be a problem with the
configuration of your ISDN line.
Calls from the analog port may
be blocked.
Call the telephone company and have them verify your
telephone number(s) and SPID(s) and that your line is
configured for circuit-switched voice and data service.
From the Call Routing window, check the Phone Port 1
and Phone Port 2 boxes which are used for voice call
routing. Make sure that the correct Phone Port box for
that port is checked.
When the handset of a
telephone attached to the
ISDN LAN Modem is lifted, a
dial tone cannot be heard.
There may be two active calls to
different locations thus using
both B channels and leaving no
bandwidth for the voice call.
If there are two independent data calls connected, go
to Manual calling to disconnect one of the active calls.
Bandwidth allocation for this
service provider may be set to
Always use 2 B channels and a
call is currently up.
Either go to Manual calling and disconnect the current
call or go to service providers and change bandwidth
allocation to either Add second B channel as required
or Use one B channel.
The ISDN line cable, power cable
and/or phone cable may not be
firmly connected.
Check all cables and connectors to ensure that they are
inserted securely.
If you cannot place calls, there
may be a problem with the
configuration of your ISDN line.
Call the telephone company and have them verify your
telephone number(s) and SPID(s) and that your line is
configured for circuit-switched voice and data service.
(continued)
Table 6
Symptoms, Causes, and Solutions
Symptom Possible Cause Solution