Not at all surprised. "my assumption every time I have tried to look them up is that they are locked down and difficult to integrate with." Yep exactly this.

Not at all surprised. "my assumption every time I have tried to look them up is that they are locked down and difficult to integrate with." Yep exactly this. We are working on a project where we have to integrate with Avaya. It is a nightmare and ancient technology. Why would a company spend tons of $ when you have just as good software in open source world (free switch)