If you want to communicate a sense of professionalism to your potential clients, you’ll need a business number. No arguing there. But what good is having a business phone number if the connection is bad? We always take call quality into consideration when doing our virtual phone system reviews.
So, for example, a softphone can combine a telephone conversation with text chat and screen sharing, which means a conversation between two employees can seamlessly add more participants, handle private text chats between those participants while the call is still going on, and extend to a collaboration session in which the group shares screens, documents, and data—no prep, no reserved lines, just button clicks. In the case of a CRM integration, the system could recognize the customer's phone number or some other identifier and automatically pull up that record for the technician or salesperson answering the call. It can even alert a manager to monitor the call if it's an especially important client.

Twilio's Voice API is a fully programmable VoIP system that helps companies make, manage and route calls to a browser, app, phone and more. Key features include call monitoring, call transcripts, call routing, PBX, auto dialer / p... Read more
Potential customers are drawn to Grasshopper's affordable plans, features, and ease of use. Unfortunately, there is talk about dropped calls, which could negatively impact day to day business.