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  The PBX Is Dead; Long Live VoIP
Subject:   Correction
Date:   2005-06-26 03:03:16
From:   leoab@consultant.com
Good article! But, I would like to highlight that Asterisk is not a pure packet-switch platform. It uses a pseudo-TDM architecture. Asterisk's advanced features like music-on-hold, meetme conference and even voice prompt playback all require a reliable timing source to work properly.