RR and BA did receive two...
...data transmissions, so the AC's equipment was subscribed and registered. The cell phone that's pinging without being subscribed should really have its settings mobile network boxes unchecked. That is what you would expect from a professional outfit like an airline.
I am puzzled by this pinging. If the electronic equipment and antenna is intact enough to send a signal to a satelite or cell tower, then why doesn't it send a datastream, even though there may be no data to collect due to other equipment failure? I strongly suspect that the military traced a different airplane, one that crossed paths with MH370 near the point where MH370 flew out of civilian radar range and lost the transponder. The pinging is generated by the plane that crossed MH370's path, but is not generated by MH370's equipment. Possibly the AC that the military radar tracked shot down MH370 or collided with it and kept on flying. That maybe why it chose the track along the boundaries of ATC's, so as to fall between the cracks, sort of speak.