Does anybody know anything about jtapi concept (telephony concept) or any open source implementation of jtapi (jcc, xtapi, gjtapi, ....) or other api of ibm (j323) or cisco (callmanager) or any other implementation or api that better than i said .
if you have any document and ebook about this topic , i will be glad if you share it with me.
by the way , i need this book essential jtapi (1999) if you have it ,please share it with me.