Hello, all! Did anyone used PIC with ISDN U-interface tranceiver for data communication (IC's like PEB2091, MT8910, MC145572, TP3410 u.s.w.)? I'm currently try to do it with Infineon's PEB2091, but due to very poor documenation that Infineon provided there lot of questions ... Igor Odaikine nikiado@mail.ru -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics