After rolling out in Karnataka last week, Vi has announced the roll-out of Voice Over Wi-Fi (VoWiFi) services for both the pre-paid and post-paid customers in Kerala circle across the state, including key cities of Kochi, Thiruvananthapuram, Thrissur, Kozhikode and Kannur, said the company. Continue reading “Vi rolls out Voice Over Wi-Fi (VoWiFi) Calling in Kerala”