You can make payment through online transfer by using the Electronic funds Transfer (EFT) option to e& account as per below details:
Name of the Beneficiary: The Emirates Telecommunication Corporation (Etisalat)
Bank Name: First Abu Dhabi Bank
Account No.: 1850059750
IBAN No.: AE910354021203106186055
Swift Code: NBADAEAA
Branch Name: Khalidiya Branch
Bank Address: Abu Dhabi, U.A.E
Please do not forget to mention your e& account number under Transfer.