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These VoIP phones are compatible with Microsoft Windows, Wi-Fi technology, and general functions such as conference facilities, call transfer, call waiting, call forward, audio mute, caller ID, etc. You will also find good sound quality and longer talk time and standby with these phones. You may find that VoIP phones are affordable and you can get them from any leading webshop. So get a VoIP phone and talk to your closest loved ones from your office or home at cheaper prices.