An effective communications system is important for every organization, whether small businesses or large enterprises. Unified communication systems are central to delivering a great customer experience, but they also enhance correspondence between team members from different departments and between companies and partners.
As businesses grow and each department handles different calls, it can become confusing and frustrating for callers trying to access the right personnel to answer their questions. Phone extensions offer the ideal solution. Wondering “What exactly is a phone extension?” Learn more about how phone extensions work and how to set them up for your business.
What Is an Extension Number?
Phone extensions are additional telephone numbers assigned to a specific business phone line. This might be one employee or an entire department. These extensions are usually four or five digits long. Extension phone numbers streamline call routing. When a caller dials the main number, they can input the extension instead of interacting first with a live receptionist or auto attendant.
What Are the Benefits of a Phone Extension?
Phone extensions can be just the solution to improve business communications at your organization. Advantages include:
Streamlined Internal Communications
Phone extensions simplify internal calls. They make it easier for employees to communicate with each other and transfer customer calls to the right department. Increasingly, businesses are implementing remote or hybrid work models. Other companies have some personnel who travel frequently while others mostly operate from the office. In either case, phone extensions ensure all employees stay connected, whether it’s office staff using desk phones or remote or field workers using mobile phones.
Better Customer Experience
A customer’s experience on a phone call is a key indicator of their overall satisfaction. When customers dial the main number, they might have to sit through Interactive Voice Response (IVR) menus and auto attendants. While these functions can be helpful, they can become frustrating if callers already know who or which department they need. Extension numbers enable customers to bypass these messages, dialing the code that takes them straight to the right employee or department.
Increased Productivity and Efficiency
In enhancing internal communication, phone extensions can improve efficiency and productivity. They save time connecting to the right employee or department for team members and customers. They may also make it easier to share information and reduce errors. Most of all, they boost collaboration between teams, even those spread across geographical locations.
Cost-Effective Communications Solution
When considering any new system or technology, businesses think about cost. Phone extensions enable companies to add numbers to an existing system, instead of needing a new, pricier phone system. Some phone extensions are free, depending on the amount you need. It’s not just the lower upfront costs that make phone extensions more cost-effective; ongoing maintenance needs also tend to be more affordable than new systems.
Designed for Scalability
Besides cost, another restriction of implementing a new phone system is that it might not be as effective once your business grows. Conversely, it might become unnecessary if you downsize. Phone extensions allow companies to add more phone lines as they expand, sometimes within minutes, to keep up with business growth.
How Does Phone Extension Work?
Extension dialing looks different depending on how businesses configure extension phone numbers. As mentioned, a company can assign extension numbers to departments or individual team members.
If assigning numbers just to employees, all a co-worker or customer needs to do to reach that employee is dial their extension after the main number. If departments and employees have extensions, callers must first dial the department extension and then input the employee’s specific code. For instance, if the department’s code is #05 and the employee’s is #145, the caller would dial #05-145.
Extension numbers may work even for teams operating in different geographical areas, depending on the phone service. Organizations use several types of business phone systems, but PBX and VoIP are two of the most common. Each affects phone extension differently.
PBX Phone System
Private Branch Exchange (PBX) phone systems facilitate call routing by automatically sending phone calls to the right extension based on the caller’s input. It first requires administrators to assign extensions to phone lines and establish calling rules.
PBX systems connect extension phones in one office to phone networks at other locations. It also offers other functionalities beyond the capabilities of a standard phone line, such as call forwarding, auto attendant, voicemail, and conferencing.
VoIP Phone System
Voice over Internet Protocol (VoIP) uses the Internet to send phone messages instead of conventional phone lines. Businesses access VoIP phone extensions from cloud-based service providers.
Administrators assign extensions to VoIP phone numbers and leverage other advanced features to meet communication needs. Voice calls, video calls, and text messaging are standard functions of VoIP phone systems, but other features may include call recording and Interactive Voice Response (IVR). Businesses that manage long-distance or international calls may find VoIP a cost-effective choice.
Comparing Types of Extension Numbers
Business phone extension numbers may be confused with similar but distinct services. Learn how these types compare to make the best choice for your organization.
Business vs. Residential Phone Extensions
Some homeowners have multiple phones connected to the main number. Incoming calls will ring from all the devices, and residents can answer the call from any phone. In this context, there is only one line to the house. If one person is using one of the phones, no one else can dial another number from a different device. If someone else in the house picks up a phone, they get a busy signal.
This system would be impractical for a business. Instead, each phone line gets multiple extensions. This allows for simultaneous calling for more than one employee to be on the same line. In other words, businesses can handle multiple calls at once to ensure efficiency.
Phone Extensions vs. Virtual Phone Numbers
Like phone extensions, virtual phone numbers (VoIP numbers) aren’t restricted to one location or zip code. Both also forward calls to different endpoints. The main difference is that virtual phone numbers are usually tied to the IP address of a device. When a caller dials the number, the call is forwarded to the device associated with the IP address. An extension is part of the VoIP system and not tied to an IP address.
How to Set Up a Business Phone System
The steps for setting up a business phone system and acquiring phone extensions differ depending on the type of system you implement. However, the standard process includes:
- Research business phone plans and choose the one that best matches your organization’s needs.
- Determine what kinds of phone extensions you need (individual, departmental, both) and assign them.
- Set up the necessary features, such as call forwarding, call groups, and auto attendants, to ensure callers reach the correct extension.
- Implement real-time reporting to monitor and improve extension dialing.
- Create a company directory to share with internal teams, customers, and partners to match personnel/departments with an extension number.
- Train teams on using extension lines to facilitate seamless communications.
Set Up Phone Extensions With Intermedia
Phone extensions are part of a larger strategy that helps organizations like yours achieve better internal and external communications. At Intermedia, we offer a unified communications solution called Intermedia Unite. Our solution brings various communication and collaboration tools, such as phones, instant messaging, and file sharing, together to help small businesses save costs and experience greater productivity.
In addition to the many features of Intermedia Unite, we also provide additional functions to enhance business communications, including company messaging, toll-free calling, and archiving. To learn more about Intermedia Unite and how our solution can improve business communications, contact the sales team or request more information today.
Frequently Asked Questions (FAQs)
What is the difference between a limited extension and a user extension?
As it suggests, a limited extension has limited capabilities and isn’t specific to a single user.
Can you put other virtual numbers on an extension?
Yes, businesses can assign multiple virtual numbers on limited extensions.
How are the incoming calls to an extension handled?
Incoming calls ring on the phone assigned to the extension for a pre-determined duration. If no one answers the phone, the call routes to an automated message before disconnecting.
How does a virtual phone number work?
Virtual phone numbers use an internet connection to enable calls. They’re attached to specific IP addresses rather than a single device or location. This allows users to access the entire phone system on any device and from any location connected to the internet.
How to record a phone call?
There are different methods of recording phone calls for different devices. Businesses can explore options for recording calls on iPhones and Android devices, even landlines.
How to block a number and unwanted calls?
Call screening techniques like caller ID increase security so businesses can avoid unwanted calls.
Melinda Curtis
Melinda Curtis is a Director of Product Marketing at Intermedia, where she focuses on helping businesses improve employee productivity and enhance their customer experiences using Intermedia's award-winning cloud communications solutions. Melinda brings over 20 years of experience in telecommunications, having worked in B2C and B2B marketing, product management, and vendor management roles. In her free time, she loves to travel with her family. https://www.linkedin.com/in/melinda-curtis/
June 28, 2024
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