ISDN Configuration - eMG80 ISDN Configuration - eMG80 johndavisonbeip (TechnicalUser) (OP) 13 Apr 18 13:43 Hi, Can anyone tell me how to configure system for ISDN in the UK. BRI card is installed but unable to make outgoing or receive incoming calls. Thanks RE: ISDN Configuration - eMG80 OldAndKnackered (Programmer) 17 Apr 18 10:19 In the ISDN settings, have you changed the TEI to fixed from automatic? RE: ISDN Configuration - eMG80 martinhodge (Vendor) 30 Apr 18 15:38 in the uk you will most likly find that it will alwasy need to be fixed not auto . prg 143 . once you have changed it from its default of auto to fixed you will need to reboot the system . also please make sure your not trying to connect a pri to a bri card .. RE: ISDN Configuration - eMG80 johndavisonbeip (TechnicalUser) (OP) 1 May 18 17:55 Thanks for the replies. I'd changed the TEI from Automatic to fixed and hadn't remembered to reboot the system. Once system was rebooted, all was good. Thanks for the help.