[reSIProcate] Send the INFO request

[许 <xubonts@xxxxxxx>]

Hi,

I want to send the INFO request.

In the DUM test BasicCall, I find  

         PlainContents contents("Hello there!!!");

         is->info(contents);

which send in the InviteSession::info(const Contents& contents).

But I don't know how to set the destination IP and Port.  And where may I set?