I haven't worked on "Alert Central" yet but then from what I understand you do not have a call facility rather you have an SMS facility on it.
Another option would be "MIR3" - this tool has an email+phone capability
I haven't worked on "Alert Central" yet but then from what I understand you do not have a call facility rather you have an SMS facility on it.
Another option would be "MIR3" - this tool has an email+phone capability