TELEPHONE SET HAVING OPPOSITE PARTY-BASED CALL TONE FUNCTION

• Main Author: HAYASHI YOJI
• Format: Patent
• Language: English
• Published: 26.02.1999
• Edition: 6
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TELEPHONIC COMMUNICATION

PROBLEM TO BE SOLVED: To select the desired one of plural call tones and to accurately deal with the telephone calls by analyzing the originating number, i.e., the transmitted telephone number of a caller terminal, detecting whether the originating number is included in the registered telephone numb...