sipXecs IP PBX Features – Unified Communications made easy and reliable

We think the sipXecs IP PBX is the leading open source IP PBX. It excels in terms of scalability, robustness and ease of use. The sipXecs IP PBX has been successfully deployed in lots of of places. The largest known installation serves more than 6,000 users connected to one redundant (HA) system. Small installations go all the way down to a few users served by very low cost hardware. sipXecs is a very sophisticated VoIP unified communications system. Thanks to its powerful Web based management system it is so incredibly easy to use, which is probably its single most important accomplishment.

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