Patent ID: 6301270
Filing Date: 2001-10-09
Classification: H04M,H04Q

Abstract:
A method to match address numbers contained in a Integrated Services Digital Network (ISDN)-type set-up packet with a resident number of a computer system having an ISDN-type data communication device, the method comprising the steps of:receiving data through the data communication device, wherein the data includes the ISDN-type set-up packet data having a destination device address number;comparing the address number with the resident number from right digit to left digit until the left-most digit of one of the numbers is compared or until a compared digit does not match; andresponding affirmatively to the ISDN-type set-up packet, via the ISDN-type data communication device, if all of the compared digits matched, by transmitting data from the data communication device; elseif the compared digit does not match, the data communication device does not transmit data.