METHOD AND APPARATUS FOR CHANGING AND PUSHING A SOUND SOURCE OF SUPPLEMENTARY SERVICE USING A RING BACK TONE ON CALLING

摘要

THE PRESENT INVENTION RELATES TO A METHOD AND APPARATUS FOR CHANGING AND PUSING A SOUND SOURCE (11)OF SUPPLEMENTARY SERVICE (6)USING A RING BACK TONE ON CALLING. THE FIRST EMBODIMENT RELATES TO A METHOD AND APPARATUS FOR CHANGING A SOUND SOURCE(11) OF SUPPLEMENTARY SERVICE (6)USING A RING BACK TONE ON CALLING. THE SECOND EMBODIMENT RELATES TO A METHOD AND APPARATUS FOR PUSING A SECOND SOURCE (11)OF A SUPPLEMENT SERVICE OF A CALLING PARTY TO THAT OF A CALLED PARTY ON CALLING.FIG.5