This document summarizes Algar Telecom's IVR and SMS delivery systems using Mobicents technology. It discusses Algar Telecom's 58 year history and operations in Brazil serving over 800,000 customers. It then describes Mobicent's JAIN SLEE and JBoss application server platform used to power Algar Telecom's IVR and ability to handle over 1.5 million calls and 1 million SMS messages daily. Sample code is shown for IVR and SMS applications built on this platform.