ISDNCid is a CAPI-based ISDN application with Caller Id and Answering Machine capabilities. Unwanted callers may even be blocked. It stays in the system tray and pops up (if configured to) showing incoming calls. The answering machine may be setup with answering delay and max recording time. If your ISDN adapter supports it you may even receive FAX's. When registering you have to fill in your first (primary / MSN1) phone number excactly as shown in the MSN or register dialog box. Do not include long distance codes, spaces or non-numerical characters unless shown in the MSN1 field.
