Appointment reminder using VOIP PBX

We need a wake up call software solution for our VoIP pbx. We have trixbox, much like Astrix. Your appt reminder software looks perfect if it can run over the trixbox system. Please let me know. Thank you

Yes, it will work. All you need to do is configure Voicent software as extensions of the VOIP PBX. For details, please see using SIP for Voicent