{mod_roster,   []},
  %%{mod_service_log,[]},
%  {mod_shared_roster,[]},
  {mod_shared_roster_ldap, [
                            {ldap_base, "DC=tts,DC=loc"},
                            {ldap_rfilter, "(&(objectClass=group(displayName=_System_Administrators))"},
                            {ldap_groupattr, "cn"},
                            {ldap_gfilter, "(&(objectClass=group)(cn=%g))"},
                            {ldap_groupattr, "cn"},
                            {ldap_groupdesc, "cn"},
                            {ldap_member_selection_mode, group_children}
                           ]}