Papadopoulos Georgios writes:
 > By server I mean our OpenSer. In our config we have
 >         else if (method=="NOTIFY" |
 >                  method=="PUBLISH") {
 >                 sl_send_reply("501", "Not Implemented");
 >                 return;
 >         } 
depends to whom the request is addressed to:  proxy or a ua.  openser
doesn't currently include a working pa module.
-- juha