//String branch=SipStack.pickBranch();
Message req=createRequest(method,request_uri,to,from,contact,proto,via_addr,host_port,rport,call_id,cseq,local_tag,remote_tag,null,body);
Vector route=dialog.getRoute();
if (route!=null && route.size()>0)
req.addRoutes(new MultipleHeader(SipHeaders.Route,route));
req.rfc2543RouteAdapt();
return req;
}
/** Creates a new INVITE request out of any pre-existing dialogs.
* @see #createRequest(String,SipURL,NameAddress,NameAddress,NameAddress,String,String,int,boolean,String,long,String,String,String,String) */
public static Message createInviteRequest(SipProvider sip_provider, SipURL request_uri, NameAddress to, NameAddress from, NameAddress contact, String body)