[Resolved]  Sony Ericsson T700 Mobile — No ringing sound speaker problem

I have purchased this mobile 4 months back, (T700 sony ericsson mobile phone) in Bijapur Karnataka state. Ringing tone is not hearing loudly there is no sound, i have enquired about it in Sony Company's repair shop.they have told .sound speakers are to be replaced, and it is under guarantee period, they told to service and repair it within 15-20 days, since from last 3 months, they are not able to repair it.they have not replaced speakers, If they do such things i have to take srtingent action and file a case in consumr forum.