While newer versions of Zoiper exist, version 2.43 remains popular for several reasons. Understanding these reasons is key to answering the "better" part of your search:
After installation, most users give up because they cannot get audio to work. Here is the secret sauce for the "better" experience. i zoiper classic 243 download better
Supports a wide range of codecs including G.711, GSM, iLBC, Speex, and G.729 (where licensed). While newer versions of Zoiper exist, version 2
Despite its age, Zoiper Classic 2.43 packs a robust set of features that fulfill the needs of both casual users and enterprise-level call centers. 1. Dual Protocol Support (SIP and IAX2) While newer versions of Zoiper exist
Right-click the installer, select "Properties" > "Compatibility" > "Run this program in compatibility mode for Windows 7." This prevents DPI scaling issues on modern monitors.