[SIPForum-discussion] sip prack

[karthik]

Hi ALL,

Please help me understand this....

1.What is prack?

2.why is prack used?

3.What are the reasons for using prack?

4.What is the difference between prack , ack and 200 OK?

Thanks,
Karthik


  
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://sipforum.org/pipermail/discussion/attachments/20101230/3014b4b7/attachment-0002.html>