 Thus, ZON was strengthening its position due to the appearance of a new significant rival, MEO from Portugal Telecom, using IPTV and satellite broadcasting systems, and there remains one other more cable television and internet operator in Portugal, Cabovisão.On 29 September 2008, ZON Multimédia announced the new mobile product ZON Mobile (MVNO), the first real quad play operator in Portugal.In November 2008, ZON announced that it would enter the contest for the fifth channel that would be created at the same time as Digital Terrestrial Television is introduced in Portugal.