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1. Confirm with the far-end site that the number you’re calling is correct and that the
extension for dialing out of your site is correct (for example, many sites require that
you enter a “9” to place an outside call).
To check what your dialing prefix is currently set to, press
, select the Network
menu, select ISDN, select Options, and then select Dialing Prefix.
2. Make sure the LAN connection to the system is securely attached and the green
light beside the connector is lit.
3. Try calling another ISDN site. If you can connect to other ISDN sites, but you still
cannot connect to one particular site, the other site may be the problem. Contact
your system administrator.
4. Press
(if you’re not already in the Setup menus), select the Status menu, select
System State, and then select Network State to see whether the network is
connected or disconnected.
SETUP
SETUP
If you have a LAN
network interface
and you can’t place
a call to an ISDN
site, though you can
place calls to LAN
sites, here’s what
you should do…
Can’t Call a Site (LAN to ISDN)