Turk Telekom has extended a promotional offer aimed at new 'Home advantage' subscribers by three months until 31 December. Under the terms of the offer, clients who subscribe to 'Home advantage' by the end of the year are not charged for the first 100 minutes of calls to GSM phones during the first three months of their contracts. The bonus minutes can only be consumed between 19:00 hours and 07:00 hours. Initially, the offer was available between 15 July and 30 September.