The method for China Telecom to exchange points for phone charges through SMS is as follows:1, 1000 points to exchange 10 yuan direct charge electronic card, edit SMS DHHF10 to 10001688 or 118114;2, 2000 points to exchange 20 yuan direct charge electronic card, edit SMS DHHF20 to 10001688 or 118114;3, 3000 points for 30 yuan direct charge electronic card, edit SMS DHHF30 to 10001688 or 118114;4. Exchange 5000 points for 50 yuan direct charge electronic card, edit SMS DHHF50 to 10001688 or 118114;Extensions:You can also log in the China Telecom Points Mall to exchange, the steps are as follows:1. Log in to the China Telecom Points Mall website, log in your mobile phone number, and then find the call fee on the right side of the page, and choose the amount to be exchanged2, then click on immediate exchange, and then click on Immediate exchange again in the jump page, and then according to the guide operation to complete the billing and exchange service