OnSIP's VoIP phone system offers all the features of a traditional phone sy
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OnSIP's VoIP phone system offers all the features of a traditional phone system but with even more features! Enjoy a free softphone, video chat, video conference calls, auto attendants, voicemail-to-email, call management, queue reporting, and so much more. And with the free OnSIP app, available on Android, iOS, Mac, and Windows, you can use your mobile phone or computer to make HD voice and video calls, view coworker presence, dial contacts with a click, and manage your voicemails.