Browsing Chinese (Simplified) translation

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You use a softphone with a headset connected to the computer or with a USB phone. The features of softphone include all standard telephony features, such as mute, flash, hold and transfer. It also includes new features, such as presence, video, wideband audio and many more. The softphone requirements to make voice calls over the Internet are a computer with a microphone and speaker, a headset or USB phone, Internet connectivity and an account with an Internet telephony service provider.