https://www.engadget.com/2007-04-11-skype-2-6-beta-adds-call-transfer-and-more.html
Skype 2.6 beta adds Call Transfer and more
Apr 11, 2007 - Skype has released a new beta of version 2.6 for the Mac which brings a cool new feature: Call Transfer. The Mac is the first Skype client that lets you...
skype 2call transfer6betaadds
https://daringfireball.net/linked/2006/09/15/skype-beta
Daring Fireball: Skype 2.0 Beta
daring fireballskype 20beta