What VoIP software is better? And I can try it for free for a while. Thank you, God help me.

Ali tong VoIP Let me introduce ali tong VoIP: To make long-distance or international calls, recommend a cheap phone that I have been using and think is good. They are all a big website in this industry-ali tong. There are computer and mobile versions all over the world. You can use ali tong mobile phone on your computer and mobile phone ... I also use Ali Tong! This sound quality is good and cheap. You can use it for free for up to 100 minutes, at least 6 minutes. You can't be cheated! Ali tong registered address: /down.asp? Linkid=6825838 Connect to the whole world: You can call anywhere in China and more than 300 countries/regions around the world, and the tariff is cheap. And calls between computers are completely free. Advantages of ali tong software: good call quality, low charge, comprehensive function, simple use and support for mobile phone use. After five years of strict and transparent real-time billing verification, the billing system accurately charges, and displays the account phone bill balance in real time after the call, which is convenient for querying the phone bill list. Tariff standard: calls between computers are completely free. The mobile version of VoIP calls anywhere in Chinese mainland at 0. 10 yuan/min, Hong Kong at 0. 16 yuan/min, Singapore at 0. 15 yuan/min, South Korea at 0.27 yuan/min, Japan at 0.3/kloc-0 yuan/min, and the United States at 0 .. Call 0. 17 yuan/min in Germany, 0. 15 yuan/min in France, 0.20 yuan/min in Canada, 0.29 yuan/min in Australia, 0.73 yuan/min in Russia, 0.74 yuan/min in South Africa and 0.3 yuan/min in kloc-0. At present, the denomination of prepaid cards is divided into: 1 yuan, 10 yuan, 50 yuan, 100 yuan, 200 yuan, 500 yuan and 1000 yuan. Preferential activities (highly recommended): among them, 200 yuan prepaid card is given 100 yuan, and China is called 0.066 yuan/minute; 500 yuan presented 300 yuan and called China at 0.063 yuan/minute; 1000 yuan 700 yuan, China 0.058 yuan/minute. If you are satisfied with ali tong VoIP, you can use it according to the following steps. First: ali tong registered address /down.asp? Linkid=6825838 Second: Software download "Download now and experience for free". You can download the mobile version if you make a phone call. You can download the computer version if you make a phone call. Note: the computer version and the mobile version were downloaded incorrectly. Third: the recharge of telephone charges can be paid directly online. At present, ali tong supports: 1, Alipay,. Alipay payment process and matters needing attention (1), purchase face value, quantity and choice of Alipay payment; (2) After confirming the purchase list, log in to the member account to enter the payment interface; (3) Confirm the payment transaction; (4) After the transaction is completed, enter the account center to inquire about the purchase records, and extract two online payments from Tenpay, Paypal and online banking. 3. Shenzhouxing calling card and fixed telephone payment. 4. Bank remittance payment. The easiest and safest way is to log in to official website, and then click I want to recharge, and you can enter the recharge page. Select the denomination of the prepaid card to be purchased, the purchase quantity and the payment method you support. Then click Pay Now to enter the payment page. The payment page of each method is different, so I won't say much about df here.