"The entry of Cisco has meant upheaval--and new technology developments--for the enterprise voice market. Now, a much smaller player hopes it can achieve at least as significant a shakeup in this market.
"This month, Pingtel will announce that it's making all its software available free to developers, as open source code. This will include the company's SIPx-change IP-PBX and its Instant xpressa softphone; Pingtel will make its money selling subscriptions to 'enterprise-grade' versions of the software, as well as by providing professional services, support, documentation and technical assistance. It will also continue to sell its line of SIP (Session Initiation Protocol-compliant) xpressa desk phones..."
