<![CDATA[<b>]]>**%1$s<![CDATA[</b>]]>**'s app is using an incompatible protocol. They need to update their app before you can call them.
Error when your chat partner's app is incompatible in terms of Telegram calls. Can't be reproduced in official clients.
105
L'app di **%1$s** sta usando un protocollo non compatibile. Deve aggiornare la sua app prima che tu possa chiamarlo.
116/105
Fair Puma,
Oct 10, 2017 at 18:29