A SYSTEM AND A METHOD FOR MESSAGE ANNUNCIATION IN A TELEPHONE CIRCUIT
摘要
The invention is related to a system and a method for message annunciation in a telephone circuit by using the ring back tone as vehicle and carrying voice messages / music / jingles in a telephone system. A auto reverse tape player is energised by toggle switch said tape player feeds message along with ring back tone through coupling capacitor. The attenuation of ring back tone is implemented by a resistance cutting into system.
申请公布号
WO2006030253(A3)
申请公布日期
2008.02.14
申请号
WO2004IB03041
申请日期
2004.09.16
申请人
RINGING TONE TECHNOLOGIES;SATYANARAYANAN, PANJETI, VIJAYARANGAM;GOPALAKRISHNAN, SRINIVASA, IYER