Some days ago, I got a new customer with an odd and fuzzy request. Initially, he only wanted to handle 500 simultaneous calls.
As I provide White Label VoIP Server with FusionPBX, they use the interface to accomplished this. The bad thing was performance, server was having about 120 overload index (Linux metric). So I spent about 5 hours figuring out what was happening, as it was not normal. My findings were:
After a painful server performance and many chats I understood what they wanted to do: They wanted to answer the calls, and return a ring-back tone, like if no one hasn't answered. To try to fix this, I did the following actions:
As a result, the PBX is handling 100 simultaneous calls with a 0.05 Linux average load. Amazing, isn't it?blog comments powered by Disqus