You can download ISDNphone 2.4.2.18 from our software library for free. The actual developer of the software is Jochen Tillmanns. Commonly, this program's installer has the following filename: ISDNphone2.exe. The program lies within Communication Tools, more precisely Instant messaging.
The most popular versions of the software 2.4 and 2.2. This download was checked by our built-in antivirus and was rated as virus free. This PC software was developed to work on Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10 or Windows 11 and is compatible with 32-bit systems. The latest installation package occupies 1.8 MB on disk.
From the developer:
Using your hardware ISDN-adapter, you can now make phone calls from your PC. Make phone calls from the built-in phonebook (including speed dial), or from external applications using TAPI or the command-line. The call journal gives detailed information and can be used as a call monitor.
You may want to check out more software, such as Rogers Yahoo! Applications or WinPopup Speak, which might be related to ISDNphone.