Designed to test, simulate, and monitor traffic carried by RTP and RTCP Packets, RTP ToolBox™ is suitable for developing features like Voice Activity Detection, echo cancellation, digit detection/generation, and Fax over IP. Software allows users to capture tones and digits in traffic, and also displays information about captured signal such as type of signal, timestamp, and accept/reject frequencies. Visual presentation of voice quality statistics simplifies debugging and analysis of VoIP calls.