In Austria ISDN lines are by standard installed without MSN (which is different from Germany). That means when somebody calls the installed ISDN number the called party gets signalled a "global call". i4l then says "incoming call without CPN" - "CPN" means called party number. Solution: Set the incoming "MSN" (in reality: none) to "0", then i4l responds to the global call. Otherwise it waits for the signalling of the number you told i4l, and that won't happen (happens only for *additional* MSN). The same applies to the setup of your getty.
On the other hand you should set the outgoing MSN correctly (without area code) -- however, a wrong MSN will be replaced with the correct one by your telecommunications provider.
For use with Telemar you have to configure your MSN as your phone number without the leading area code.
Brazil is using EuroISDN. The ISDN service DVI which was launched by Telemar is based on a hardware solution from Teles (BRI PCI card), which has to be configured as NETjet card. However, since this card is very incompatible to the motherboards sold in Brazil, Telemar also offers the option of a Teles 16.3c ISA. You may be able to find some configuration help on http://www.olinux.com.br for this card.
If you don't have MSN, you need to specify as local number only the last 4 digits of you phone number. A good thing is that you can also use sub-addressing. If your phone number is 01 41 33 67 87, and you want to use sub-address 02, then configure the local phone number of the HiSax driver as 6787.02 .
isdn4linux also works in Italy (ICN card). The MSN must be the phone number with the Italian area code, and since middle of 2001 includes the leading 0. For example, if my phone number is 72004681 and my area code is 045, my MSN is 04572004681. Now with the setting AT&E04572004681 isdn4linux works fine.
In The Netherlands the MSN includes (as opposed to the German Telekom) also the area code - but without the leading zero.
Yes, you can use isdn4linux in North America. However, some specialties apply.
In North America the telephone company will only provide a U instead of an S interface. This means that the customer rather than the telephone company has to supply the network terminator (NT-1). Your easiest solution is a card which has an integrated NT-1 and supports the U interface. Alternatively buy an external NT which translates between U and S interface, and connect your ISDN card with S interface (without NT-1) to it.
In North America the channel protocol NI-1 is being used. NI-1 is related
to DSS1 (both are Q.931 Protocols), but both have totally different groups
of functions. Support for NI-1 has recently been added to HiSax, the driver
for passive cards, with great help from Traverse Technologies:
http://www.ttcomms.com.
Since they helped to implement and verify NI-1 usability, we would recommend
you buy their card NETspider-U (with integrated NT-1), as a thank-you
for their contribution to isdn4linux open source development.
See Documentation/isdn/README.HiSax for details on how to set up your system with HiSax (protocol type is 4, give SPID together with your own number in the form of <OWNNUMBER>:<SPID>).
Quite some time ago, the firm "Spellcaster" has written their own
isdn4linux driver for their (active) cards. Both BRI and PRI cards are
available. More information is available on:
http://www.spellcast.com
Also, the active Eicon DIVA cards work fine in North America and have 5ESS and NI drivers, which are currently ported to UltraSparc.
It seems that no MSN functionality is supported. Therefore the MSN should be set to "0".
As long as only one telephone number or MSN was applied for, the telephone company sends no caller ID. Therefore the MSN should be set to "0". If more than one MSNs was applied for, then these should be set as usual.
In Switzerland usually you have to use the telephone number without area code. For old ISDN numbers where you have been assigned ten numbers in a row this may be different; in that case use the last digit of your telephone number as your MSN/EAZ ("6" if you have the telephone number "123456").
It depends on your ISDN option.
AT&E0), or 10 MSNs; you then always get a block of
10 sequential telephone numbers
(xxx0-xxx9), of which the last digit (0-9) is your MSN (0 is used in case
you use an invalid number).By the way: for a BT Speedway card try to select AVM Fritz card (either ISA or PCI - depends on what you got; see question hardware_fritz).
Since about November 2001, all BT home highway and possibly Business Highway NTE boxes come with a built in USB terminal adapter. This terminal adapter is based on the ST-5481 chipset. Load the module st5481 for this device, then set up your isdn configuration with isdnctrl.
Also, check out http://www.wurtel.cistron.nl/i4l-howto-uk.html.