B. Compatibility and version

The iSoftPhone is compatible with Mac OS X 10.6 (Snow Leopard)* and above.

  • Snow Leopard (OS X 10.6)*
  • Lion (OS X 10.7)
  • Mountain Lion (OS X 10.8)
  • Mavericks (OS X 10.9)
  • Yosemite (OS X 10.10)
  • El Capitan (OS X 10.11)
  • macOS Sierra (10.12)


The current version is: 4.1225-161017



1. Find the current version information under iSoftPhone / About iSoftphone.


2. Select “About iSoftPhone”, to view the version information:



This example has version: 3.5016


With running Mac OS X version 10.6 (Snow Leopard), you need to install the iSoftPhone version 2.7. Within iSoftPhone version 2.7 the following bugfixes and improvements are not supported:

  • G722 audio codec quality problem fixed
  • Fixed audio delay in phone conferences with more than three participants
  • Presence status icon/button on the main window
  • Notification of missed calls with button on the main window
  • New incoming call notification in separate window among main window which can be configured in preferences
  • iSoftPhone ID available in preferences

Please download iSoftPhone version 2.7 here or via our download page. For all Mac OS X versions higher then 10.7 (Lion) all above mentioned and future bugfixes and feature sets are available in the latest iSoftPhone version.