Industry experts predicted today that IP-enabled PBX sales will surge to $2bn in 2010, nearly a threefold increase from 2005.
Combined IP PBX and hybrid IP/TDM PBX sales are projected to gain share steadily over traditional PBX and key systems, according to Dell'Oro Group.
"The conversion to VoIP will be the dominant factor in the enterprise voice market over the next several years," said Steve Raab, director of IP telephony research at Dell'Oro Group.
"Modernising the installed base of traditional PBX technology to IP telephony requires co-ordinated investment in data networking and enterprise voice equipment. During this transition, hybrid IP/TDM PBXs that embody newer IP and legacy TDM technology will represent the majority of sales."
The analyst predicted sales of IP telephones to exceed $4bn in 2010, driven by businesses adopting IP Centrex services and upgrading PBX handsets to IP telephones.
In addition, consumers of residential VoIP are expected to adopt wireless local area network phones and soft phones.
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