Geographically, PBX revenue in Asia Pacific is up a sizable 29 percent year-over-year, while growth in North America and EMEA remains sluggish. Even with Avaya and Cisco the dominant brands in the ...
Avaya, which according to Infonetics Research narrowly leads Cisco in terms of worldwide PBX revenue market share ... videoconferencing and telepresence hardware and software to be a cumulative ...