IP PBX and IP Centrex: Growth of VoIP in US Enterprise

May 27, 2008 - PRLog -- Voice over Internet protocol (VoIP) is finding its way into enterprises of all types and sizes, and presently is one of the few bright spots across an otherwise gloomy telecommunications landscape. Decision makers that buy enterprise voice services have made a collective commitment to invest in VoIP within the enterprise. Enterprise VoIP has enjoyed success despite harsh economic conditions, proving that commitment to this service is real. The question is not whether VoIP will become the predominant form of enterprise voice; the big questions are when, how, and by whom.

In this market analysis, Insight Research parses the PBX market into four segments: the traditional PBX; IP PBXs built using LAN switches, media gateways, and servers; IP-enabled PBXes that gateway to the LAN/WAN; and converged PBXes that are aware of both TDM and IP endpoints in the native modes. The products of PBX vendors with the largest share of the PBX market (Avaya, Nortel) are inspected, as well as newer PBX vendors (Cisco, 3Com). Traditional Centrex and IP Centrex service providers such as Verizon, Qwest, and GoBeam are also put under the microscope to detail the prospects for growth across the entire enterprise voice segment. This compelling study forecasts voice-extension sales by type of system including TDM, VoIP, legacy Centrex, and IP Centrex, looking closely at the associated sales revenue.

Report Excerpt

VoIP technology adoption depends on the commitment of enterprises to truly migrate to converged voice and data networks. VoIP equipment never was and never will be the least expensive way to deliver a voice extension within the enterprise. While it is true that some VoIP phone systems, such as those offered by Altigen, are less expensive than comparable TDM units, this is more the exception than the rule. The typical cost of a VoIP extension from the legacy vendors (per-port platform costs plus IP-phone costs) is only marginally higher (around 25 percent) than that of a digital extension. Likewise, the pure play IP PBX vendors currently offer per-seat pricing (i.e., the cost of both the associated hardware and the phone) that is also very competitive—again, about 25 percent higher than digital TDM-based extension pricing.

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