http://www.ringcentral.com/phone-service/index.html - here are some reasons why VoIP phone service providers are very important in virtual office setups.

1. VoIP Phone Service Providers and Virtual Office Set-ups
Virtual office set ups are commonly suggested by VoIP phone service
providers to business owners who prefer to do business via online
methods. Such set ups do not necessarily need to be housed in rented
office spaces like traditional offices do. Just like in conventional
businesses in physical offices, virtual offices exist online and can also
do business with customers, contacts and other businesses. They can
be just as profitable as the usual workplace with business VoIP
services in their PBX systems.
Business owners who choose virtual office services delivered by VoIP
phone service providers(http://www.ringcentral.com/phone-service/index.html) are
commonly single proprietorship business ventures or those made up of partnerships among few
entrepreneurs who run business from their homes. A large part of the retail work these company
owners do are usually accomplished through e-commerce. Client interaction with them are often
done online through websites or retail apps they have made for their businesses.
The VoIP phone services virtual office owners use augments their operational correspondence
via company phones of different kinds like IP phones, mobile phones, personal phones or
smartphones. Virtual offices might not have the same physical offices that traditional offices
require but the business VoIP they enjoy with regards to complexity or sophistication can be on
the same advanced level as their downtown office counterparts. The business VoIP extended to
them by VoIP phone service(Read more here) providers are just as efficient and can make
business just as profitable for their owners. Such systems also have the very same
functionalities and call management features as those found in physical offices. These are the
auto receptionist, voicemail, call routing, call forwarding and Internet fax features.
Virtual and mobile
While some virtual offices are home-based enterprises, other virtual office owners are from the
travel-prone type owing to the nature of the business they engage in. Mobile company owners
who engage in real estate prospecting, raw material sourcing, or live entertainment tours, are
only some examples of mobile virtual office-suitable ventures. The degree of connectivity such
set-ups enjoy rely on how well the virtual office owner makes use of his mobile devices as well
as the business productivity apps they have in them. Such apps could be installed in mobile
gadgets like laptops, smartphones and tablets.
VoIP providers can develop systems for mobile virtual office owners that could let them to
connect efficiently with their remote location contacts by means of cloud PBX systems. A
number of their partners may also be conducting business via the same virtual setup and
likewise do exactly the same amount of business-related traveling. This poses no difficulties for
them because an Internet telecom system like this, once developed by VoIP phone service
providers to service such business set-ups, could be relied upon to deliver.
Just like in conventional office PBX systems where owners can create extension networks out of
assigned numbers and extensions to choose departments, workers and remote branch offices,
virtual office owners also can do precisely the same. How the business VoIP enhances any
business, whether conventionally or virtually setup, depends a lot on the way its owners
maximize systems made for them by VoIP phone service providers.