Appendix84Vocoder - Voice Coder. A device used to convert speech intodigital signals.Voicemail - A computerized answering service that answersa call, plays a greeting and records a message.Depending on the sophistication of the service, it cannotify the subscriber, via a pager, of an incoming call ormessage. (Also called voice messaging.)Wireless - Radio-based systems that allow transmission oftelephone or data signals through the air without aphysical connection, such as a metal wire (copper) orfiber optic cable.Licensed by Qualcomm Incorporated under one or more of thefollowing patents: U.S. Patent No. 4, 901, 307; 5, 056, 109;5,099,204; 5,101,501; 5,103,459; 5,107,225; 5,109, 390.