Unified Voicemail and E-Mail
Voicemail is an essential unified communications feature to have for a phone system. The capability to leave a voicemail is certainly better than having the phone ring indefinitely with no way to reach the user. However, voicemail has its drawbacks.
Generally, users only receive their voicemail when they use the phone that the voicemail was left on. Most voicemail systems also provide some method of remotely retrieving messages by calling in to the voicemail system, but those features are rarely used unless someone is going to be away from the office for an extended period of time.
With unified messaging, voicemails are delivered to the same inbox as e-mail and other communications and can be retrieved using an e-mail client. Users often have e-mail delivered on their mobile phones and many organizations have Web-based access to the enterprise e-mail system, so the capability to receive voicemail in e-mail means that you have access to your voicemail virtually anytime and anywhere.
Some unified communications systems attach voicemail messages as an MP3, WAV, or other audio file format to an e-mail. Other unified communications platforms, such as Microsoft Unified Communications, embed the voicemail in the e-mail itself. In fact, when using Microsoft Exchange with Unified Messaging and Microsoft Outlook, voicemail messages have an embedded audio player so they can be played directly from within the e-mail without the need for any additional audio utilities.
With Microsoft Outlook and Microsoft Exchange voicemail, you can also click Play on Phone to have the voicemail system call you on your phone if you want to listen to the voicemail messages with more privacy than you may have by blaring them over your computer speaker. If you're in a coffee shop or other public area, this can be a handy feature.

Cloud Computing Glossary
cloud computing
A networking solution in which everything — from computing power to computing infrastructure, applications, business processes to personal collaboration — is delivered as a service wherever and whenever you need.

Cloud Computing Glossary
cloud service
The delivery of software, infrastructure, or storage that has been packaged so it can be automated and delivered to customers in a consistent and repeatable manner.

Cloud Computing Glossary
deprovision
The release of cloud services that are no longer needed.

Cloud Computing Glossary
federating
Linking distributed resources together over the cloud.

Cloud Computing Glossary
hypervisor
An operating system that acts as a traffic cop, managing the various virtualization tasks in the cloud to ensure that they make things happen in an orderly manner.

Cloud Computing Glossary
multi-tenancy
The sharing of underlying resources by multiple companies over a cloud.

Cloud Computing Glossary
network attached store
Storage that has its own network address through which it is accessed by the network's workstation users. Acronym: NAS

Cloud Computing Glossary
service level agreement
A contract that stipulates the type of service you need from providers and what type of penalties would result from an unexpected business interruption. Acronym: SLA

Cloud Computing Glossary
solution stack
An integrated set of software that provides everything a developer needs to build an application.

Cloud Computing Glossary
storage area network
A storage systems that is flexible and scalable because it's available to multiple hosts at the same time. Acronym: SAN

Cloud Computing Glossary
vertical industry groups
Workgroups comprised of members from a particular industry such as technology and retail.

Cloud Computing Glossary
virtual memory
The portion of your hard drive that Windows uses to expand the available RAM

Cloud Computing Glossary
virtualization
Using computer resources to imitate other computer resources or whole computers to maximize performance and flexibility.