Q1 2008 U.S. Enterprise Telephony Revenue Rankings Rankings Q-Q change Y-Y change Cisco 1 8.0% 16.5% Avaya 2 -15.0% -12.7% Nortel 3 -14.0% 11.9% NEC 4 9.0% -1.3% Siemens (SEN) 5 -11.0% -6.1% Source: Synergy Research GroupThe migration of Enterprise voice traffic to IP continues to disrupt traditional PBX sales where annual decreases remain consistent. Key Telephone Systems (KTS) are not experiencing the same level of displacement as PBXs, but as IP Telephony becomes more attractive to the SMB market, Synergy believes KTS will experience the same level of decline.
Q1 2008 Western Europe Enterprise Telephony Revenue Rankings Rankings Q-Q change Y-Y change Alcatel-Lucent 1 -8.0% 0.4% Siemens (SEN) 2 -6.0% 10.1% Cisco 3 -2.0% 30.2% Avaya 4 6.0% 12.8% Aastra 5 -16.0% -9.9% Source: Synergy Research GroupFurther, Synergy continues to believe that GDP growth provides a good indicator for Telephony market performance. In the US, Q1 2008 GDP was .6% and US Telephony growth was -2.4%. Conversely, the Euro area GDP was 1.6% and Western Europe Telephony growth was 6.5% for the same time period. About Synergy Research Group Synergy Research Group (www.srgresearch.com) is a market research leader providing quarterly market share, analysis, and forecasting services to the Telecom, Mobile and Networking Industries.
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