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Re:Telecommunications company Avaya files for bankruptcy by tyingq on Sunday January 22, 2017 @08:12AM (#13455029)
It's true that open source can replace some PBX functionality.

There are though, operations that require scale or functionality that either doesn't exist, or isn't quite bulletproof in the open source world.

SS7 connectivity, geographically spread call centers, priority queuing based on multiple concurrent data sources, drag-drop complex IVR software, natural language parsing, natural language generation, contextual screen pops with hooks to caller information, and so forth.

Some of those are available in open source, yes. Not necessarily proven at scale, easy to integrate, etc.

Of course, Avaya filing for bankruptcy hints that there aren't many customers that need this sort of stuff anymore. Either the support function is shifting to chat/email, or they are using SaaS vs their own equipment.

Re:Telecommunications company Avaya files for bankruptcy by fenesiistvan on Sunday January 22, 2017 @08:32AM (#13455109)
Except SS7 you can software based solutions for all the rest costing much less then hardware based solutions from Avaya, Cisco and similar mammoth companies.

Often people think that these hardware based products offers better quality but I often seen the opposite.

Re:Telecommunications company Avaya files for bankruptcy by tyingq on Sunday January 22, 2017 @08:35AM (#13455123)
Yes, updated to denote many of the customers that need this are moving to SaaS. SaaS that's probably not 100% based on open source though.
Re:Telecommunications company Avaya files for bankruptcy by kimi on Monday January 23, 2017 @03:20PM (#13465585)
Or use a hosted QueueMetrics cluster with Asterisk and a little bit of scripting to connect the dots. It costs a small fraction and gets you most of the functionality.