VoIP technology has matured to the point where the call quality and reliability is comparable to traditional phone service. The real benefit to the small businesses is the PBX Features and voip business solutions that VoIP technology delivers.
Most Hosted Business PBX Phone systems offer a feature rich package of PBX functions that include Auto-Attendants, Hunt Groups, Voice Mail, Call Transfer, etc (see a full list of VoIP PBX Features) without requiring you to purchase expensive telecommunications hardware.
Small business hosted voip makes it easy to incorporate a geographically distributed group of employees; even remote works that work out of a home office can be incorporated into your business phone system. With a Hosted VoIP Phone system the only hardware your business needs are the IP Phones and a VoIP router.
For more information check out:
http://www.avadtechnologies.com