Hi everyBody:
I am a totally freshbird in this VoIP,SIP and J2me things.But I been assignde a task about "implement VOIP using sip in j2me".So,I have severl questions:

1) Does it possible,I mean "implement VOIP using sip in j2me".Most developer I heard just use C++(But my boss want J2me)?
2) Could anybody show me some rough process,let me know how it come true step by step?
3) How can I get that data(voice) stream in J2ME?
4) If there is some code will better.
Thanks!