As far as I know, xmpp does not guarantee the receipt at the client side. Telegram does.

On 24 Oct 2015 11:31, "EL" <fs.user@fordior.net> wrote:
> I know a guy who integrates FreeSWITCH with Telegram API. I
> think this would be a more reliable way of sending notifications.

No offence, but why would you rely on third parties for that,
instead of implementing XMPP / Jabber on your own infrastructure
and desired clients (desktop, mobile phones, or whatever platform
 ...)?

And BTW, Telegram has many issues:
http://www.cryptofails.com/post/70546720222/telegrams-cryptanalysis-contest

--
EL

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