<![CDATA[<b>]]>**%1$s<![CDATA[</b>]]>**'s app is using an incompatible protocol. They need to update their app before you can call them.
Error when your chat partner's app is incompatible in terms of Telegram calls. Can't be reproduced in official clients.
105
A app de **%1$s** usa un protocolo incompatible. Ten que actualizar a app para que poidas chamar.
97/105
Fair Dog,
Oct 18, 2018 at 18:48
A app de **%1$s** usa un protocolo incompatible. Ten que actualizar a applicación para que poidas chamar.
104/105
Afonso Xosé Marcet Carrera,
Jan 6, 2019 at 19:42