Dear sir, my MO service by airtel not work allready inform by mobil and attech hear comp.REF. NO. CMOSW31221713588 & CMOUD31130115634 and more time try with 121 & 198 & other service but not recived my mobil and long time create this problem but airtel person not given coutumer foccus and after my information not search airtel side actual problem and till date problem some time not good perform comparision othernetwork. mob.9179626499