RingCentral Office 1-Line RingCentral Online Business Plus RingCentral Online Business Power OneBox 4Extensions Aptela Business Calling Aptela Unlimited Calling Virtual PBX VPBX-10 Virtual PBX VPBX-20 Virtual PBX iVPBX VoiceNation Next PBX Pro VoiceNation Next PBX Platinum
CostThe minimum monthly payment of a pricing plan. There may be other additional costs such as for voicemail or other additional features. $49.99 $29.99 $49.99 $49.95 $19.99 Starts at $29.99 $24.99 $44.99 $49.99 $49.99 $49.99
Included MinutesThe number of incoming and outgoing call minutes included in each plan every month. Unlimited 500 1000 2000 250 Unlimited 500 1000 Unlimited 500 1000
Overage rateThe cost of each call minute you incur beyond the included minutes in your monthly plan. n/a 5.9 cents 4.8 cents 4.9 cents 2.5 cents 0 5.8. cents 4.7 cents n/a 5.8 cents 4.9 cents
ExtensionsThe number of local extensions included in the plan. Different service providers offer different numbers of extensions. Depending on your office size or the size of your team, you may need to get additional extensions, or a new plan to accommodate your growing needs. Unlimited 10 20 4     10 20 5 10 20
Local numberThe price of an additional local number. All service providers featured in this site offer free local numbers.
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Toll free numberThe cost of a toll free number. Some service providers offer free toll free numbers, while others charge a separate one-time fee. Still others let you get additional toll free numbers for additional one-time fees for each number.
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Internet faxThe ability to send and receive faxes through the Internet. Service providers have different Internet fax features. Your choice of service provider can also depend on its ability to provide you the Internet fax service that you need.
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Fax softwareThis comes along with the Internet fax feature. If you have high faxing needs, it is best to get a service provider that has fax software that would enable you to handle and manage your faxes well.
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Fax on demandHave your callers get documents or information from you by dialing an extension that sends out faxes as requested. Usually assigned to a specific extension, fax on demand is a valuable feature for companies that need to send out information to their customers such as price lists and directions.
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Call forwardingThe ability to direct calls to different numbers.
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Answering rulesDifferent settings for how calls are dealt with or answered according to different criteria.
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Auto attendantA very helpful feature for businesses that get a lot of calls, the auto-attendant is a feature that handles all incoming calls and forwards them to the correct number according to user-specified settings.
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Custom greetingsCustom-made for your business or company, custom greetings help you establish an image as a business. This is a great feature if you want to use your virtual PBX to attend to customers and sales inquiries.
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Music on-holdService providers feature music while the caller is on hold. Different providers have different music. Some even provide messages for their announcements or advertisements.
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Professional recordingsCustom-made for your business, custom voice messages help you project a professional image both to your business partners and customers.
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Voicemail by emailReceiving voicemails in your email inbox as digital audio files.
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Outlook integrationIt is a great advantage if you have in Outlook account that you can use with your virtual PBX number. Some service providers integrate their service with Microsoft Outlook and other Microsoft applications.
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Online account managementThe ability to manage your virtual PBX through the Internet. A good service provider should have an online account dashboard that has easy-to-use navigations. Some service providers even have separate programs or software for account and call management.
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Real time call controlThe ability to monitor calls as they are being made or answered. This is usually done through the online dashboard.
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Dial-by-name directoryThe ability to dial a person’s extension number by spelling the name through the touch-tone keypad.
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Call logsIt is important to keep track of all business communications and transactions. Detailed call logs let you view numbers and other important information about your business calls.
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Call screeningThe ability to screen callers before they are answered.
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Call blockingThe ability to prevent certain numbers or callers to call your number.
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Call transferThe ability to transfer a call from one phone to another without having to disconnect. This is of great advantage for when you are in the middle of an important call but you have to leave your office. You can take your call with you when you have the ability to transfer them to your mobile phone.
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Caller IDYour virtual PBX number is a portable number that you can use even if you are using another phone unit. You can use it to appear as your caller ID even if you are calling through or from your personal mobile number.
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Message alertsSome service providers include text message alerts for when there is a new voicemail message or fax document.
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Click to callThe ability to click on a number posted in the Internet to connect to call that number with your virtual PBX number.
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Free trialThe number of days given for you to try out the service for free. 30 days 30 days 30 days 14 days None None 14 days 14 days 14 days 30-day money back guarantee 30-day money back guarantee
Setup feeA one-time payment required for setting up your virtual PBX system. free free free free Not specified Not specified free free free $15.00 $15.00



Grasshopper Grow OnSIP SoHo 800 PBX Silver 800 PBX Gold Freedom 800 Growth My1Voice Essential My1Voice Premium Phone.com Virtual Office 600 Phone.com Virtual Office 1000 PhonePeople Light Phone People Standard Phone People Power
CostThe minimum monthly payment of a pricing plan. There may be other additional costs such as for voicemail or other additional features. $49.00 $39.95 $24.99 $49.95 $39.95 $30 $30 $24.88 $39.88 $19.99 $29.99 $49.99
Included MinutesThe number of incoming and outgoing call minutes included in each plan every month. 2000 0 750 1500 1000 1000 1500 600 1000 500 1000 2600
Overage rateThe cost of each call minute you incur beyond the included minutes in your monthly plan. 6 cents 2.9 cents 5.9 cents 4.7 cents 4.9 cents 5 cents 5 cents 4.9 cents 3.9 cents 4.9 cents 3.9 cents 2.9 cents
ExtensionsThe number of local extensions included in the plan. Different service providers offer different numbers of extensions. Depending on your office size or the size of your team, you may need to get additional extensions, or a new plan to accommodate your growing needs. Unlimited Unlimited 10 20 25 5 15 Unlimited Unlimited 10 25 100
Local numberThe price of an additional local number. All service providers featured in this site offer free local numbers.
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Toll free numberThe cost of a toll free number. Some service providers offer free toll free numbers, while others charge a separate one-time fee. Still others let you get additional toll free numbers for additional one-time fees for each number.
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Internet faxThe ability to send and receive faxes through the Internet. Service providers have different Internet fax features. Your choice of service provider can also depend on its ability to provide you the Internet fax service that you need.
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Fax softwareThis comes along with the Internet fax feature. If you have high faxing needs, it is best to get a service provider that has fax software that would enable you to handle and manage your faxes well.                        
Fax on demandHave your callers get documents or information from you by dialing an extension that sends out faxes as requested. Usually assigned to a specific extension, fax on demand is a valuable feature for companies that need to send out information to their customers such as price lists and directions.        
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Call forwardingThe ability to direct calls to different numbers.
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Answering rulesDifferent settings for how calls are dealt with or answered according to different criteria.  
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Auto attendantA very helpful feature for businesses that get a lot of calls, the auto-attendant is a feature that handles all incoming calls and forwards them to the correct number according to user-specified settings.    
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check
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check
check
check
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Custom greetingsCustom-made for your business or company, custom greetings help you establish an image as a business. This is a great feature if you want to use your virtual PBX to attend to customers and sales inquiries.    
check
check
check
   
check
check
     
Music on-holdService providers feature music while the caller is on hold. Different providers have different music. Some even provide messages for their announcements or advertisements.
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Professional recordingsCustom-made for your business, custom voice messages help you project a professional image both to your business partners and customers.        
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Voicemail by emailReceiving voicemails in your email inbox as digital audio files.
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Outlook integrationIt is a great advantage if you have in Outlook account that you can use with your virtual PBX number. Some service providers integrate their service with Microsoft Outlook and other Microsoft applications.  
check
                 
Online account managementThe ability to manage your virtual PBX through the Internet. A good service provider should have an online account dashboard that has easy-to-use navigations. Some service providers even have separate programs or software for account and call management.    
check
check
check
   
check
check
check
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Real time call controlThe ability to monitor calls as they are being made or answered. This is usually done through the online dashboard.                      
Dial-by-name directoryThe ability to dial a person’s extension number by spelling the name through the touch-tone keypad.
check
check
check
check
check
   
check
check
check
check
check
Call logsIt is important to keep track of all business communications and transactions. Detailed call logs let you view numbers and other important information about your business calls.                      
Call screeningThe ability to screen callers before they are answered.                  
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Call blockingThe ability to prevent certain numbers or callers to call your number.
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Call transferThe ability to transfer a call from one phone to another without having to disconnect. This is of great advantage for when you are in the middle of an important call but you have to leave your office. You can take your call with you when you have the ability to transfer them to your mobile phone.                  
check
check
check
Caller IDYour virtual PBX number is a portable number that you can use even if you are using another phone unit. You can use it to appear as your caller ID even if you are calling through or from your personal mobile number.  
check
         
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Message alertsSome service providers include text message alerts for when there is a new voicemail message or fax document.    
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Click to callThe ability to click on a number posted in the Internet to connect to call that number with your virtual PBX number.              
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Free trialThe number of days given for you to try out the service for free. 30-day money back guarantee 30 days 30-day money back guarantee 30-day money back guarantee 15 days 30 days 30 days 30 days 30 days 7 days 7 days 7 days
Setup feeA one-time payment required for setting up your virtual PBX system. $25.00 Not specified free free Not specified free free free free free free free