help me for coice over ip source code

hi, i have a source code for a project security for voip i can't exucute this project because com.ibm.media.codec.audio.AudioCodec, com.sun.media.BasicPlugIn; javax.media.*; javax.media.format.AudioFormat; java.security.*, java.security.spec.*; don't exist in jbuilder 6 idon't no the good jdk for this package

please help me.

[342 byte] By [megacoola] at [2007-10-3 10:02:46]