Does such NOTIFY go to a TCP registered user? Of course if there is
not an existing TCP connection between Kamailio and the final natted
user then it's not possible to send such NOTIFY.


Do you mean that the user is sending "transport=tcp" in his Contact header ?
 

> Is it acceptable to change the $du and then execute the t_relay as we did ?

Yes.


ok, thanks.

Pascal
 

--
Iņaki Baz Castillo
<ibc@aliax.net>