TIM now has VoLTE in all 176 municipalities of the Brazilian state and in more than 1,500 municipalities nationwide.
The unit will offer "a wide portfolio of digital solutions available within its Latin American footprint, to aid its clients in developing into the new digital society."
A consultancy found that top speeds were only accessed if the user connected via cable, and if they connected to Wi-Fi they received only half the speed.
The Spanish telco is looking to increase its content offerings in two key Latin American markets.
Signify is looking to introduce new solutions that will bond well with 5G technology when it appears in the coming years
Televisa is the latest client to come link up with Mexico's wholesale shared network, which began operations in late March and includes other big names such as Telefónica.
The BNDES Garagem program will support startups in attracting customers, raising funds, validating products and business models.