I am working on a project for a call center about programming an open source predictive dialer, and so far my research shows no sign of a competitor to Asterisk.
I hope someone can guide me here, because I don't know yet whether OpenSER can be programmed to make calls  automatically and if callees answers the calls hand the calls to agents ?  .. allow agents to make transfers to other agents ... and other call center stuff.
Thanks
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"He who asks a question may be a fool for a few minutes. He who does not ask may be a fool forever"