A very descriptive article has been published by voztovoice.org showing how to build a Least Cost Routing (LCR) system for IP telephony using Kamailio on CentOS 7. The article is in Spanish, Google translate being quite helpful, but the snippets of config and screens shots make it easier to understand over all.
The article is available at:
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Looking forward to meeting many of you at Kamailio World Conference, May 8-10, 2017, in Berlin, Germany!
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