IPCop - which ISDN protocol?

[mystic007]

Hi

Which ISDN protocol do we use in South Africa? When setting up IPCop for ISDN you must select the ISDN protocol.

See this screenshot:

http://www.ipcop.org/1.4.0/en/install/images/19-isdncountry.png

Which protocol is the correct one?

 

[Karnaugh]

Euro EDSS1