T-Mobile ISDN settings

T-Mobile ISDN settings for terminals (e.g., phone handsets). This is an ISDN dial-up number for WAP use only. Some items are possibly Nokia-specific. I have found the authentication type can be either Secure or Normal.

     Dial-up number: +1 913 244 0821
     Data call type: ISDN
    Data call speed: 14400
         IP address: 10.168.200.50
        Data bearer: GSM data
           Username: wap
           Password: [none]
Authentication type: Secure
Connection security: Off