Best Multi-Line Phone Systems for 2019

Read about the best multi-line phone systems for small businesses. Includes pricing information, rankings, and frequently asked questions.

Updated on June 4th, 2019

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Multi-line phone systems are phone systems that split a single line into multiple lines. This can be convenient for customer service purposes, or for splitting up business departments by assigning each one a different phone number.

Multiple line business phones help businesses to save money by providing them with several functional lines without having to install more physical lines, which can be very expensive. A multi-line system can have two, four, six, eight, or even more lines.

Advances in technology have made multiple line business phones more affordable and easier to use than ever before. We've compiled a list of the best multi-line phone systems for small business use, so take a look below and find out what multi-line phone would be best for your office.

Best Multi-Line Phone Systems for 2019:

Our Rank


List Price


Digium D60



AT&T 1070 4-Line Expandable Corded Phone System



VTech CM18445 Main Console



Panasonic Link2Cell 2-Line



Mitel Aastra 6867i



AT&T TL86103 DECT 6.0



VTech DS6151 Multi-Line Phone



AT&T TL88102 Cordless Phone



RCA 25423RE1 4-Line Phone



Panasonic KXTG9582B


Does my business need a multi-line phone system?
Does my business need a multi-line phone system?

If your employees each need their own number/extension, or if they regularly make phone calls using headsets, a multi-line system could be very useful. Multi-line systems can increase efficiency in the workplace and make communication with customers and clients much easier.

Standard Multi-Line Phone System Features:


Most multi-line office phones have a voicemail feature that can record messages after missed calls.

Caller ID.

Caller ID displays that caller's name and number on the phone's digital screen, whether the caller is from within your business or outside of it.


A phone number directory that can be edited to add important phone numbers for easy access.

Speed dial.

Individual numbers on the keypad can be programmed to dial a full phone number at the touch of a button.


Calls can be placed on hold while customer service reps locate information, take another call, or step away from the phone.

Fax machine connection.

With fax machine integration, the phone can be used to control a fax machine in your office.

Call transfer.

Incoming phone calls can be transferred to another line.

Headset mode.

A headset can be connected to the phone for hands-free use.

How do multi-line phone systems work?
How do multi-line phone systems work?

In a multi-line system, one phone line comes into your business and is then split into several lines, each of which connects directly to a phone. Calls can be made internally by dialing an extension number, or externally by dialing out through the main line.


Do office phones need to have multiple lines?

If your business is very small, you may not have a need for an office phone with multiple lines. However, if you handle a high volume of calls or have a large number of employees, a multiple line system is highly recommended.

What are the advantages of a multi-line phone system?

  • More productivity.
  • Cost-effective.
  • Improved customer service.
  • Better collaboration.
  • Professional interaction with customers.
3 Line Phone System
3 Line Phone System:

A 3 line phone system has three lines that are all connected to a central line. With a three line system in your office, you can benefit from having multiple lines while only paying for a single phone connection.

Are there any multi-line VoIP phone systems?

VoIP systems use the internet for audio calls, so they do not have a hard line in the same way that a traditional phone system does.

Does anyone sell a 6 line business phone?

6 line business phones are very common. For example, the VTech CM18445 Main Console - DECT 6.0 4-Line Expandable Small Business Office Phone with Answering System comes with four lines but it can be expanded to add additional lines.

What is a 4 line phone system?

As the name suggests, a 4 line system has four lines that all split off of the main incoming phone line. Calls can be transferred between the lines, if necessary.

Multi-line phone systems
Multi-line phone systems:
  • Digium D60.

  • AT&T 1070 4-Line Expandable Corded Phone System.

  • VTech CM18445 Main Console.

  • Panasonic Link2Cell 2-Line.

  • Mitel Aastra 6867i.

  • AT&T TL86103 DECT 6.0

  • VTech DS6151 Multi-Line Phone.

  • AT&T TL88102 Cordless Phone.

Final Thoughts:

A multi-line phone system could help your company to improve its customer service and streamline incoming calls without breaking the bank.

For more information about business phones, check out Top 19 Business Phone Systems for Small Business.