On Mon, Dec 1, 2014 at 12:17 PM, Javier Ricke <javierr.vv@gmail.com> wrote:
 
Dec  1 16:15:22 serverjavier-desktop /usr/local/sbin/kamailio[7212]: ERROR: uac [uac.c:300]: 'append_fromtag' RR param is not enabled! - requir$
Dec  1 16:15:22 serverjavier-desktop /usr/local/sbin/kamailio[7212]: ERROR: <core> [sr_module.c:939]: init_mod(): Error while initializing modu


Do you have restore_mode set to auto? See the note in the documentation about setting append_fromtag in rr module.

http://kamailio.org/docs/modules/devel/modules/uac.html#uac.p.restore_mode
http://kamailio.org/docs/modules/devel/modules/rr.html#append-fromtag-id

Corey