Posted on Friday, April 7th, 2006 at 12:50 pm
Worldwide IP PBX revenue has risen 23 percent over the last year, while TDM system revenues are down 15 percent, according to the latest Enterprise Telephony report by Infonetics Research (www.infonetics.com).
Together, worldwide TDM and IP PBX system revenue totaled $8.1 billion in 2005, a 12 percent increase over 2004. Over the next five years, revenues are expected to increase at a rate of 43 percent, reaching $11.6 billion as organizations continue to migrate to VoIP. IP PBX revenue will jump up 82 percent while TDM revenue will drop 88 percent.
