To be clear this is only for iSIGHT CTI customers and not for the general public at large. To use this, you need the API key from your iSIGHT CTI portal and will then link this extension into your portal.
Other wise it works as excepted, simple and no issues.
What are the cost ? what are the on going cost ? nothing mentioned on this page or on their web page . At least up front without having to contact a person for what ever reason. Why can the fees be up front to the costumer ?