Practical considerations to IVVR based ARS service creation

Interactive Voice Response (IVR) is an automated telephony that interacts with callers by means of voice and touch tones, gathers information, provides responses in the form of voice, and routes calls to the appropriate recipient. Due to automated attendant, 24-hour operation, etc, IVR systems have been widely used in the field of telebanking, order, reservation, telemarketing, adult entertainment, information services, etc.