This PHONE IS FOR IP COMMUNICATION AND HAS ETHERNET PORTS.IT WILL NOT WORK WITH ANALOG LINES FROM BSNL/AIRTEL ETC THIS IS A BOX PRODUCT SUPPLIED BY US.WE DO NOT OPEN AND TEST THE PRODUCT.WARRANTY IS PROVIDED BY CISCO INDIA.YOU NEED TO BUY CON-SMBS 7942 WARRANTY PACK FOR GETTING WARRANTY.CISCO SELLS WARRANTY SEPARATELY ON ALL PRODUCTS THIS PRODUCT DOES NOT INCLUDE POWER CUBE/POWER ADAPTER WHICH HAS TO BE PURCHASED AS SEPARATE