Infonetics Research: Avaya extends lead in PBX market, Asia up 29% year-over-year

CAMPBELL, CA — (Marketwire) — 08/17/11 — Market research firm Infonetics Research released its second quarter 2011 (2Q11) vendor market share report, led by VoIP and IMS analyst Diane Myers."The top enterprise telephony vendors remain in a tight battle to gain new customers and hold onto existing ones as enterprises migrate to IP and unified communications solutions. For the third quarter in a row, came out on top in the overall PBX market, with about a quarter of worldwide revenue i