"via telegram" is a correct and usable phrase in written English.
It is used to indicate the method of communication, such as in the sentence, "I received the news via telegram yesterday."
Many videos on YouTube, which is blocked in Iran, can now be easily shared via Telegram.
More urgent messages came via telegram and all of it was routine enough by 1912 to be taken for granted.
So he applied to medical school, and received his acceptance letter from Harvard via telegram while he was stationed in Italy.
According to SWR, the boy was thought to have received instructions from members of the Islamic State about how to build the device via Telegram, a messenger app.
Earlier in the week, the Khilafah News channel, believed to be aligned with Isil, sent out a five-point guide on how to avoid hacking, via Telegram.
"And that night, or maybe it was the next day, Fritz" — Friedrich Trump — "wasn't there anymore," Fritz, who keeps in touch with some members of the New York family via telegram, says.
