removed Bria / linphone from anti options

kamailio/registrar-role.cfg

@@ -68,10 +68,8 @@ route[HANDLE_REGISTER]
 
         ## KAZOO-1846: Cisco SPA8000 freaks out on options pings
         if (!($ua =~ "Linksys/SPA8000"
-             || $ua =~ "Linphone" 
              || $ua =~ "OpenBTS" 
              || $ua =~ "SIPp" 
-             || $ua =~ "Bria" 
              || (af==INET6)
             )) {
             setbflag(FLB_NATB);