The instructions have been attached:
Please read the instructions before replying to ensure you would be able to do the test as per instructions: Measuring and Recording Voice Latency in Netherlands. In order to be able to do the test we require the person to have:
1) Two phones
2) Laptop
3) Audacity (free software available online to download)
4) Follow instructions on attached file
5) Tester must be in the country of interest