SIP (most common) or IAX2.
It consumes a fraction of the RAM and CPU power required by newer, web-framework-based softphones.
It works well for its age, but the security and compatibility drawbacks are severe. Unless you are forced to use it for legacy hardware, download the latest Zoiper (free or paid) or switch to a modern open-source alternative like MicroSIP (Windows) or Linphone (cross-platform).
Zoiper is available in multiple languages including English, German, Spanish, French, Dutch, Portuguese, Russian, and Chinese.
While exploring legacy versions is sometimes necessary, the modern iterations of Zoiper have evolved significantly. Today's versions boast features like:
SIP (most common) or IAX2.
It consumes a fraction of the RAM and CPU power required by newer, web-framework-based softphones.
It works well for its age, but the security and compatibility drawbacks are severe. Unless you are forced to use it for legacy hardware, download the latest Zoiper (free or paid) or switch to a modern open-source alternative like MicroSIP (Windows) or Linphone (cross-platform).
Zoiper is available in multiple languages including English, German, Spanish, French, Dutch, Portuguese, Russian, and Chinese.
While exploring legacy versions is sometimes necessary, the modern iterations of Zoiper have evolved significantly. Today's versions boast features like: