Kostas Kastanis

London, Rio de Janeiro, Athens. 19 May 2022 – RCS (Rich Communication Services) messaging is expected to account for a growing proportion of global mobile operator revenue and become a

“Potential”, “digital growth” and “new revenues” are three keywords characterising Nigeria’s telecom market. That’s according to mobile technology company, Upstream, who helped kick off the first virtual NigeriaCom 2020. During