| Feature Provided | Single One | Cell Phone |
| All voice mail messages in one inbox | Yes | Yes |
| One phone number for callers to call | Yes | Yes |
| Callers can use same one number for fax | Yes | No |
| All messages (Email, Fax, Voicemail) are in your email inbox | Yes | No |
| Fax comes immediately and privately to your PC | Yes | No |
| Fax and voice mail can be forwarded by email to anyone | Yes | No |
| Fax can be forwarded from your phone to any fax machine | Yes | No |
| Set calls to ring on any phone anywhere | Yes | No |
| Save on inbound cell phone costs | Yes | No |
| Turn "virtual receptionist" call screening on or off | Yes | No |
| Place caller on hold with music from ANY phone | Yes | No |
| To instantly and remotely change where calls are delivered | Yes | No |
| Web access to complete call history (date, time, number) | Yes | Yes |
| Manage your time by managing inbound calls | Yes | No |
| Instantly call back while listening to voicemail | Yes | No |
| Know who's calling before answering even if Caller ID is blocked | Yes | No |
| Automatically transfer calls to an associate when you're away | Yes | No |
| Set special statuses (all day seminar, on vacation etc) | Yes | No |
| Much More!!! | Yes | No |