TelOne brings landline calling to your smartphone and desktop TelOne has unveiled TelOne Connect, a locally developed digital calling platform that marks a major leap in how Zimbabweans stay in touch. Launched by Chief Executive Engineer Lawrence Nkala, the new service allows users to use their landline number directly from their mobile phone or computer, delivering high-quality calls over any internet connection. According to TelOne, the platform answers the rapid shift in communication habits.