What are the alternatives to Skype for business?

From above came the task to find a simple solution for local chat. It would seem that these chalikov like dirt, the different versions, you can choose whatever you want.

However, for himself the task of complements: need a solution for corporate communications with a server installation in a local network, with the desktop (browser is not suitable) of the windows client, mobile clients for the greatest possible number of platforms (ideally iOS, Android and Windows Phone / or at least Windows 10 Mobile). In the correspondence you want to send the text, and occasionally some files with documents. Audio and video calls are not required, but would be a nice bonus. Also a nice bonus would be the presence of a global user community with whom you can establish a connection, but you can prevent it, and to realize the correspondence among employees. Of course, it would be great if it was still free.

Comes to mind only Skype for business, but, in my opinion, for us this decision is a helluva lot cumbersome, my skill still not up to it, although at the time was a one-time successful experience of raising Lync 2013. About Slack in the course, but there is no server up. Jabber - not to offer because I want a solution that is developed and maintained by specific people, and not just open technology.

What remains?
July 12th 19 at 14:00
3 answers
July 12th 19 at 14:02
Solution
HipChat
Damn, was delighted with how it turned out that it only runs under VMware, VirtualBox, or under nasonovskiy cloud. - Sienna.Borer commented on July 12th 19 at 14:05
In General, while this is the best option. I'll try to beta test, thank you - Sienna.Borer commented on July 12th 19 at 14:08
Damn, was delighted with how it turned out that it only runs under VMware, VirtualBox, or under nasonovskiy cloud.
You are in vladochka https://www.hipchat.com/downloads did not go?)) - andre_Erdman43 commented on July 12th 19 at 14:11
: I mean the server part. customers, of course, for most platforms is - Sienna.Borer commented on July 12th 19 at 14:14
on account of the server - I confess(( - andre_Erdman43 commented on July 12th 19 at 14:17
July 12th 19 at 14:04
He is there the possibility of a local server inside the network? - Sienna.Borer commented on July 12th 19 at 14:07
July 12th 19 at 14:06
Want social programs - take cloud Bitrix24. The client for all devices, etc. There are boxes.
No, social network is not necessary. Bitrix two times test - each time convinced that this monstrous clumsy thing to simplify, disabling a ton of unneeded features, no way - Sienna.Borer commented on July 12th 19 at 14:09

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