The document discusses Patton Electronics' SmartNode product line of VoIP gateway and router solutions for integrating IP and TDM communications in Elastix systems. It provides an overview of Patton as a company, the benefits of SmartNode products, and the various SmartNode models available with different analog, digital and T1/E1 interface options. Product selection information is also given to help identify the appropriate SmartNode model for different integration needs such as POTS lines, legacy terminals, or a combination of both.