https://www.ispreview.co.uk/index.php/2024/03/lyca-mobile-uk-quietly-introduce-4g-calling-and-wifi-calling.html
Customers of mobile operator Lyca Mobile, which is a Mobile Virtual Network Operator (MVNO) on EE's platform in the UK, have spotted that the company has final
lyca mobile ukquietlyintroducecallingwifi