Arrangement and method of downloading data to a plurality of destinations in a digital telephone system
Patent 5201045 Issued on April 6, 1993. Estimated Expiration Date: 
November 19, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 19, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesCustomer programmable real-time system Programmable subscriber set Dynamically configurable telephone Automated public phone control for charge and collect billing Patent #: 4935956 Inventors
ApplicationNo. 615522 filed on 11/19/1990US Classes:714/4, Of network379/201.05, Distribution of service (e.g., downloading, uploading)714/781Code based on generator polynomialExaminersPrimary: Atkinson, Charles E.Attorney, Agent or FirmInternational ClassesG06F 011/00H04M 003/42 AbstractA method is disclosed for distributing operating program data stored in a common memory area of a digital telephone system, to a plurality of digital telephone system controllers. The method includes transmitting the operating program data from the common memory via a control/data bus to remotely located digital facility test card. The digital facility test card receives and stores a load image of the operating program in random access memory (RAM). A PCM network connection is established from the digital facility test card to each of the plurality of digital telephone controllers through the digital telephone system. The stored load image from the digital facility test card RAM is then transmitted to each of the digital telephone system controllers via the PCM network connection. | |
