Abstract: The present invention provides a network terminating unit configured to receive communication signals associated with a packet telephony system and modify said signals to maintain the quality of service of a data network associated with the packet telephony system at or below a certain level of quality of service independent of the traffic load of the data network.

Abstract: A technique for programming operating parameters in an electronic device, such as programmable configuration settings, uses an interactive response configuration server accessible through the telephone network. The configuration server provides voice prompts to an electronic device operator over a telephone connection. The voice prompts concern a desired manner of operation achievable with particular operating parameter settings. Desired operating parameter settings are determined based on the operator's responses. A programming signal including representations of the desired operating parameter settings is then generated and transmitted to the electronic device. The electronic device then sets the values of its programmable operating parameters in accordance with the received programming signal.