Open Source PBXs Make Corporate Gains – CIO

Open Source PBXs Make Corporate Gains
CIO
He credits the Asterisk open source PBX, with Nortel comes in second for 85% of those deployments or 15.24% of overall installations last year. Nortel comes in second with behind all open source with 16.56%, Cisco comes in third with 12.53% and Avaya …