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| Subject | English | Tamil |
| comp., MS | call forwarding | அழைப்பு திருப்பம் (A feature that allows for automatic forwarding of incoming calls) |
| comp., MS | call waiting | அழைப்பு காத்திருப்பு (A service that notifies a user that a call is coming in while the user is in a call) |
| comp., MS | phone call | தொலைபேசி அழைப்பு (A function that enables a user to make a call to a phone, as opposed to calling another computer or using a webcam) |
| comp., MS | Windows Call | Windows அழைப்பு (An app for making video calls) |