Open source PBXs make corporate gains; how much is a debate – ARNnet

Open source PBXs make corporate gains; how much is a debate
ARNnet
He credits the Asterisk open source PBX, with Nortel comes in second for 85 percent of those deployments or 15.24 percent of overall installations last year. Nortel comes in second with behind all open source with 16.56 percent, Cisco comes in third …