JTAPI (java telephony api)

can any body help me out that ... i trying to execute jtapi program which is written in documentation... which makes call

problem is that at run time is showning exception

"Jtapipeer initilization exception"

wat can be the problem

and when using internet using dial up

exception is jtapi unavalible exception

help me out yaar

wat r the reuirments of jtapi

[404 byte] By [faisalloea] at [2007-9-29 14:57:27]