Full Business Phone System. The virtual phone office is the most convenient way to control incoming & outcoming calls or messages of your customers, anywhere. Virtual Phone Numbers. It’s time to forget about the mess with your communication providers, because virtual phone number gives you an ability to use local or toll free numbers without any extra hardware, anymore. Just keep using & saving with 1Voice! Desktop & Mobile Application. Our office works for & with your business, as it has all needed tools like desktop or mobile application, which are always in touch with you. Internal Chat. Let’s get the best of your customer service by keeping up the group or private chat with your clients. Likewise, you’ll able to make a business inquiries to companies or organizations via sending a messages.