World's highest phone call was made from Mt. Everest
The world's highest land-based mobile phone call was made from an altitude of 8,848 metres on the summit of Mt. Everest, Nepal in 2007. British climber Rod Baber used a Moto Z8 to call a voicemail account set up by Motorola. The phone call lasted for 1 minute and 48 seconds and cost $4.72.