METHOD AND DEVICE FOR CHANGING AND ENFORCED TRANSMISSION OF AUXILIARY SERVICE SOUND SOURCE USING TONE RINGING SIGNAL DURING PHONE CALL Russian patent published in 2008 - IPC H04M3/42 H04M1/60

Abstract RU 2324298 C2

FIELD: telephony.

SUBSTANCE: first option is referred to method and device intended for changing of auxiliary service sound source using tone ringing signal. Second option is referred to method and device intended for enforced transmission of auxiliary service sound source of calling party to called party when dialing.

EFFECT: provision of setting or changing by calling party its auxiliary service sound source through replacement of said source by replacement tone ringing signal set by called party, in real time.

11 cl, 25 dwg, 3 tbl

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RU 2 324 298 C2

Authors

Shim Dzeh-Vook

Li Vang-Kun

An Khee-Dzung

Li Gil-Soo

Dates

2008-05-10—Published

2004-03-17—Filed