Originally Posted by B747-437B

Regarding this specific instance, I have had access to raw ADS-B data and have determined that the two flights had 82 seconds of separation (ie. approx 8-10nm) at waypoint DAROT (which is where their airways intersected), so would have been comfortably outside the ICAO limits of 5nm separation in Class A airspace even if they had remained at the same level. There was no near collision or any type of safety issue, other than unauthorised transmissions on 132.5MHz frequency by whoever instructed ETH690 to change levels.