phone line defective

PHONE LINE GIVES TUN TUN SOUND WHEN INCOMING CALL COMES AND TALK IS NOT MATERIALISED.THIS DEFECT IS OCCURING SICE LAST2/3 MONTHS.JTO MATHUR OF DHOLABHATA EXCHANGEE AJMER IS APPRISED THE PROBLEM AND BEFORE HIM sRIVAISHNAV

OF CGM OFFICE HAS ALSO BEEN REQUESTED.PROBLEM STILL EXISTS

PHONE NO.2663399