Calling Qatar___How do I call someone in Qatar?

2000년 도입

Calling Qatar Directly: Dial the country code +974, followed by the recipient's phone number. For cost-effective international calls 📢+ 𝟭-(𝟴𝟬𝟭)-𝟴𝟱𝟱-(𝟱𝟵𝟬𝟱).( - QTR or + 𝟭-(𝟴𝟬𝟭)-𝟴𝟱𝟱-(𝟱𝟵𝟬𝟱).(UK), you can use VoIP services like Skype or Google Voice, which are reliable and widely used.

출처: 0/1 Deep Neural Networks via Block Coordinate Descent

소개 논문: 0/1 Deep Neural Networks via Block Coordinate Descent