hi avinis
it is very easy .. u have to go to any of the nearest qtel showrooms .. there u get a form to transfer it to another person ..and the only document u havt to furnish is ur qatar id /.. a photo copy will do .. net u will be directed to a officer ,, she/he will get the details ..and write down ur mobile number .. after that .. u will ahve to give them to whoes qatar id ur changing .. thats it .. everything will be settled .. but u have to full pay the due amounts .. see ya
take care