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VoIP overtakes PBX
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California, USA (Onlamp): Private branch exchanges (PBX) have been the reference standard for business telephone systems for decades, but of late, their age has been showing. […] They are expensive, proprietary, and often so arcane that only factory-authorized dealers have the remotest clue how to manage them. This, coupled with the emergence of open-source Voice over IP (VoIP) technology, leaves PBX on the verge of obsolescence.
For more information, please visit:
www.onlamp.com/pub/a/onlamp/2005/06/23/pbx.html
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