PBX revenues to exceed $7.5 bln in 2011

According to Dell’Oro Group, total PBX revenues are projected to exceed $7.5 bln annually in 2011. Hybrid IP/TDM PBX revenues are predicted to decline starting in 2010, and by 2011, traditional PBXs are projected to make up less than 5% of the total market revenues ? a steep decline from 2002 when the traditional PBX segments accounted for more than 85% of market revenues.