Skype for Business add-on licensing

Skype for Business licensing is designed to give you the maximum amount of flexibility. For example, after using basic Skype for Business features for a while, you can buy add-on licenses when you're ready to use more features, such as dial-in conferencing, or Cloud PBX.

Looking for prices? See How to see prices and buy add-on licenses.

What are add-on licenses?

Add-on licenses are licenses for specific Skype for Business features. Some businesses want the flexibility of purchasing only specific features at a competitive price. To add a feature, buy 1 add-on license for each user who is going to use it.

How does add-on licensing affect cost? For most businesses, buying a bundle of software in an Enterprise plan will result in less overall cost. Typically when you buy several add-on licenses individually instead of as part of a plan, you may end up with higher combined cost.

What features can I get with add-on licenses?

Depending on which plan you already have, you can buy add-on licenses for the following Skype for Business features:

Feature

Description

Dial-in conferencing (also called PSTN conferencing)

Sometimes people in your organization will need to use a phone to call into a Skype for Business meeting, instead of using their computer. Use the dial-in conferencing feature for this situation.

To find out whether dial-in or PSTN conferencing is available in your country or region, see Is PSTN Conferencing with phone numbers available in my country or region?

Toll free numbers for dial-in access to your conferences, and the ability to dial out from a conference to add someone by calling any telephone number in the world

If you add dial-in conferencing, consider also adding toll free numbers for easy access. Plus, you can let your users dial out from a conference to add someone by calling any telephone number in the world. To get this feature, sign up for PSTN Consumption billing. What is PSTN Consumption billing?

Cloud PBX

A PBX is a telephone system in a business. Cloud PBX is a hosted telephone service in Office 365. It gives you both traditional and innovative PBX capabilities, but without the complicated and expensive equipment. Here's what you get with Cloud PBX.

PSTN calling telephone service

Calls to other Skype for Business users are free, but if you want your users to be able to call any phone numbers outside of your business, get the PSTN Calling plan.

Skype Room Systems v2

This isn't an add-on, but a feature that brings video, audio, and content sharing to conference rooms. See Licensing for Skype Room Systems v2.

Guidance for Office 365 Business Premium Plan customers

If you have Office 365 Business Premium, you can use Skype for Business to make calls to other people in your business who are on your subscription. For example, if your business has 10 people, you can call and IM each other using Skype for Business.

To make and receive calls from people external to your business, you have two options:

  • Option 1. Use the free Skype app. If you have a very small business (for example, 1-2 people) using the Skype app is the better way to go. It's less expensive to use for domestic and international calls. You can still hold conference calls, make video calls, and share your desktop for presentations. Check out the rates and payment options.

    Note that the Skype app isn't part of the Office 365 suite, so it won't be integrated with Outlook 2016 the way Skype for Business is. This means your contacts in Outlook 2016 won't show up in Skype; you'll need to add your contacts to Skype.

    We recommend starting with the Skype app to see if it meets your needs. If it doesn't, then consider the next option, to upgrade your plan.

  • Option 2. Upgrade your plan, and buy Cloud PBX and the PSTN Calling plan.

    1. Switch to the E1 or E3 plan. If you switch to the E3 plan, you also get voicemail.

    2. Buy the Cloud PBX add-on.

    3. Buy a PSTN Calling plan: you can only buy this after you buy the Cloud PBX add-on.

    This second option is ideal for businesses with several people who make and receive external phone calls.

Which add-on licenses do I need to buy to get more features?

Choose the plan you have below to see the add-on licenses you can buy to get additional Skype for Business features.

If you have already purchased the Office 365 Business Premium, Office 365 ProPlus, or Skype for Business Online Plan 2 plan, here are the add-on licenses you need to buy to get more Skype for Business features.

To add this feature

Here's what you need to buy

PSTN Conferencing

Buy 1 PSTN conferencing license for each person who is going to schedule / host a dial-in meeting. Attendees do not need licenses.

  1. PSTN Conferencing add-on

    You get Microsoft as your dial-in conferencing provider for free!

Toll free numbers for dial-in access to your conferences, and the ability to dial out from a conference to add someone by calling any telephone number in the world

  1. PSTN Consumption billing

Cloud PBX

  1. Switch to the E1 or E3 plan. If you switch to E3, you also get voicemail.

    After you update your subscription, you'll see the option to buy the Cloud PBX add-on.

  2. Cloud PBX add-on

  3. PSTN Calling service: buy a PSTN Calling plan from Microsoft

    Or, use the telephone service from your existing provider.

PSTN Calling telephone service

  1. Switch to the E1 or E3 plan

  2. Cloud PBX add-on

  3. PSTN Calling plan: you can only buy this after you buy the Cloud PBX add-on

Note: If you're using Skype for Business Online Plan 2 or an Enterprise plan, instead of purchasing the PSTN conferencing add-on, you can choose to use a third-party audio conferencing provider. That provider will also host your conferencing bridge.

If you have already purchased the Office 365 Enterprise E1, E3, or E4 plan, here are the add-on licenses you need to buy to get more Skype for Business features.

To add this feature

Here's what you need to buy

PSTN Conferencing

Buy 1 PSTN conferencing license for each person who is going to schedule / host a dial-in meeting. Attendees do not need licenses.

  1. PSTN Conferencing add-on

    You get Microsoft as your dial-in conferencing provider for free!

Toll free numbers for dial-in access to your conferences, and the ability to dial out from a conference to add someone by calling any telephone number in the world

  1. PSTN Consumption billing

Cloud PBX

  1. Cloud PBX add-on

  2. PSTN Calling service: buy a PSTN Calling plan from Microsoft

    Or, use the telephone service from your existing provider.

Cloud PBX voicemail

  1. For E1 and E4 plans, buy Exchange Online Plan 2.

    Or, switch to an Office Suite that comes with Exchange Online Plan 2, such as Office 365 E3.

PSTN Calling telephone service

  1. Cloud PBX add-on

  2. PSTN Calling plan: you can only buy this after you buy the Cloud PBX add-on

Note: For Enterprise plans that include Skype for Business Online Plan 2, instead of purchasing the PSTN conferencing add-on, you can choose to use a third-party audio conferencing provider. That provider will also host your conferencing bridge.

If you have already purchased the Office 365 Enterprise E5 (without PSTN conferencing) plan, here are the Skype for Business add-on licenses you need to buy to get more Skype for Business features.

To add this feature

Here's what you need to buy

PSTN Conferencing

To get this add-on, do the following:

  1. If you have already bought an E5 plan but the PSTN Conferencing (dial-in conferencing) feature isn’t available in your country or region, you will need to use a third-party audio conferencing provider. Find a third-party dial-in conferencing provider at Microsoft PinPoint.

    Check this article to see if PSTN conferencing is available in your country or region: Is PSTN Conferencing with phone numbers available in my country or region?

  2. If it is available, use the Switch Plans wizard to move to the Office 365 Enterprise E5 that includes it. You'll get more features, too!

Cloud PBX is included!

  1. PSTN Calling service: buy a PSTN Calling plan from Microsoft.

    Or, use the telephone service from your existing provider.

Cloud PBX voicemail

  1. Exchange Online Plan 2 add-on

The Office 365 Enterprise E5 plan includes most Skype for Business features. There are just a few additional options.

To add this feature

Here's what you need to buy

PSTN Conferencing is included!

You get Microsoft as your dial-in conferencing provider for free.

Toll free numbers for dial-in access to your conferences, and the ability to dial out from a conference to add someone by calling any telephone number in the world

  1. PSTN Consumption billing

Cloud PBX and voicemail is included!

  1. PSTN Calling service: buy a PSTN Calling plan from Microsoft.

    Or, use the telephone service from your existing provider.

How to see prices and buy add-on licenses

After you buy an Office 365 plan, you can buy add-on licenses. You buy add-ons through the Office 365 admin center, and that's where you can see pricing information, too. Expand the following sections to learn how to get the add-ons for your plan.

To get PSTN Conferencing and PSTN Consumption billing:

  1. Sign in to the Office 365 admin center.

  2. Go to Billing > Subscriptions > Add-ons > Buy add-ons.

    To buy an add-on license, choose Buy add-on.

  3. You'll now see the prices for and the option to buy PSTN Conferencing, and sign up for PSTN Consumption billing.

To get Cloud PBX and PSTN Calling service:

  1. Switch to the E1 or E3 plan.

  2. Go to Office 365 admin center > Billing > Subscriptions.

  3. Choose Add-ons. You'll now see the prices for Cloud PBX, and the option to buy it.

  4. After you buy a Cloud PBX license, you'll see the option to buy a PSTN Calling plan.

  1. Sign in to the Office 365 admin center.

  2. Go to Billing > Subscriptions > Add-ons > Buy add-ons.

    To buy an add-on license, choose Buy add-on.

  3. After you buy a Cloud PBX license, you'll see the option to buy a PSTN calling plan.

The E3 plan is part of your Action Pack. To get the Cloud PBX and PSTN conferencing add-ons:

  1. Buy one seat of E3 from our marketing web site. Choose the option to add the seat to your existing tenant.

  2. Sign in to the Office 365 admin center and go to Billing > Subscriptions > Add-ons.

    Now you'll see the option to get the Cloud PBX and PSTN conferencing add-ons that are part of your Action Pack.

Why don't I see the option to buy add-ons?

In a few situations, you won't see the option to buy Skype for Business add-ons in the Office 365 admin center.

  • You bought your Office 365 or Skype for Business licenses from a Partner. Contact your Partner to buy add-on licenses. The above How to steps won't work for you. You can tell if your subscription is from a Partner because it says "Prepaid" on it, like the one below:

    If you bought your subscription from a Partner, it will say "Prepaid" on it.

  • You purchased Office 365 Business Premium through GoDaddy. In this case, you can't buy Skype for Business add-ons. You need to switch to the E3 plan and then you can buy them.

  • You have a monthly commitment instead of an annual commitment. In some cases, customers who have a monthly commitment cannot buy the add-ons (this is different from the payment method, which can be monthly). This is a known issue that we are fixing. Please call us for help.

    You may need an annual commitment to buy add-ons.

How to sign up for PSTN Consumption billing

Before you can sign up for PSTN Consumption billing, you need the following add-ons as minimum prerequisites:

  • Cloud PBX and the PSTN Calling Plan

  • Or, PSTN Conferencing

Once you have those, here's how you sign up:

  1. Sign in to the Office 365 admin center.

  2. Go to Billing > Subscriptions > Skype for Business PSTN Consumption.

    Choose Skype for Business PSTN Consumption to add funds.

  3. Choose Add funds. We strongly recommend setting up auto-charge so you don't run out of funds, which will block your users from making calls.

  4. After you sign up for PSTN Consumption billing, you'll need to assign a PSTN Consumption billing license to each user in your business who makes calls. You'll have an unlimited number of licenses available.

    You'll have an unlimited number of PSTN Consumption licenses to assign to your users.

Licensing for Skype Room Systems v2

The following table lists the features that are available in Skype Room Systems v2 and what licenses you need to buy to get them.

Note: The room that is being set up needs to be a user object and have these licenses assigned to it.

Skype Room System scenario

You currently have Office 365 Premium, Office 365 ProPlus or

Skype for Business Standalone Plan 2.

Here's what you need to buy:

You currently have an Enterprise-based plan.

Here's what you need to buy:

You have Skype for Business Server 2015 (on-premises or hybrid).

Here's what you need to buy:

Join a scheduled meeting

Skype for Business Standalone Plan 1

E1, 3, 4, or 5

Skype for Business Server Standard CAL

Initiate an ad-hoc meeting

Skype for Business Standalone Plan 2

E1, 3, 4, or 5

Skype for Business Server Standard CAL

Skype for Business Server Enterprise CAL

Initiate an ad-hoc meeting and dial out from a meeting to phone numbers

Skype for Business Standalone Plan 2 with PSTN Conferencing

 

Note: PSTN Consumption Billing is optional.

E1 or E3 with PSTN Conferencing

OR

E5

Skype for Business Standard CAL

Skype for Business Server Enterprise CAL

Give the room a phone number and make or receive a calls from the room or join a dial-in conference using a phone number.

Skype for Business Standalone Plan 2 with Cloud PBX and a PSTN Voice Calling plan.

 

Note: PSTN Consumption Billing is optional.

E1 or E3 with Cloud PBX and a PSTN Voice Calling plan

OR

E5

Skype for Business Server Standard CAL

Skype for Business Server Plus CAL

Use the right version of Windows 10: For customers who want to deploy Windows 10 images to their devices, a specific version of Windows 10 is required and this version that is only available to volume licensing customers. You need to use Windows 10 version 1607 or later for imaging Skype Room System v2.0 devices. You can get a copy from the Volume Licensing Service Center.

Pricing for plans and PSTN consumption rates

How do I use my existing PSTN calling service with Skype for Business?

If you want to use your existing PSTN calling service, buy the Cloud PBX add-on and use it with the free Cloud connector.

If you are using on-premises PSTN connectivity for hybrid users, you only assign Skype for Business Cloud PBX licenses to your users. DO NOT also assign a PSTN calling plan.

For extensive documentation on planning your deployment, including Cloud PBX with on-premises PSTN connectivity, see Plan your Cloud PBX solution in Skype for Business 2015 and Lync Server 2013.

Plan Details

For a detailed list of features in each Skype for Business plan, see the Skype for Business Online Service Description.

What features are available to GOV, EDU, non-profit organizations?

Skype for Business feature

Available to .GOV (GCC)

Available to .GOV (non-GCC)

Available to .EDU

Available to non-profit organizations

Skype Meeting Broadcast

Yes

Yes

No

Yes

Skype for Business dial-in/PSTN conferencing

Yes

Yes

Yes

Yes

Skype for Business Cloud PBX

No

Yes

Yes

Yes

Skype for Business PSTN calling

No

Yes

Yes

Yes

What features are available for Office 365 operated by 21Vianet?

Some but not all Skype for Business features are available to customers using Office 365 operated by 21Vianet in China. For a list of what is and isn't available, see Skype for Business in Learn about Office 365 operated by 21Vianet.

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