LONDON -- Mariner, a leading global provider of IP Video Solutions and technologies, today announced that Telefónica Digital has chosen Mariner xVu as the exclusive end-to-end monitoring tool for its Global Video Platform (GVP).The GVP offers two type of services: a Pay TV service (using IPTV or Satellite Hybrid TV) and a pure OTT service commercially named "PLAY" which is a video on demand service available for a wide range of devices (TVs, smartphones, tablets, game consoles, etc.). Both products have been launched in Brazil and will be implemented in European and Latin American countries in coming years.Mariner Partners Inc.