Patent Number: 6,426,963

Title: Technique for configuring network interface circuit in integrated services digital network keyphone system

Abstract: A technique for configuring a network interface circuit, capable of being commonly used in all countries or networks which have different ISDN protocols, with only one BRI trunk includes the steps of: first storing beforehand in a read only memory (ROM) of the network interface circuit all function programs for supporting an integrated services digital network protocol for each country and network which will be used by the keyphone system, selecting a function program from among the function programs stored in the ROM corresponding the country and kind of network to be operated upon initialization, and setting the selected program, as the function program to be executed.

Inventors: Kim; Jong-Il (Suwon, KR)

Assignee: Samsung Electronics Co., Ltd.

International Classification: H04Q 11/04 (20060101); H04J 003/12 ()

Expiration Date: 07/30/2019