Users can use a single phone number in Microsoft Teams across both their mobile service and desk lines. For new users, such as a new hire, who will be enabled directly for Teams, the user must be enabled for Skype for Business using on premises Skype for Business management tools. If you're setting the tenant-wide policy to one of the Skype for Business modes, be sure to grandfather any existing Islands users by explicitly assigning them Islands mode, as previously described. Some of the sections in this and related articles are pertinent depending on your existing deployment and requirements. For more information, see Phone System Direct Routing and Calling Plans. Combined with Phone System, PSTN connectivity options enable your users to make phone calls all over the world. It may be that one solution fits all scenarios or you may need to find a combination of solutions for your organization. A user in Skype for Business Online, with on-premises voice functionality through Skype for Business on-premises or Cloud Connector Edition. For more information, see Considerations for Operator Connect. How you configure call routing differs depending on your PSTN connectivity option. . It provides PSTN calling capabilities to your Communication Services application even if Voice Calling (PSTN) is not available in your country/region. For information about managing phone numbers for Direct Routing, see Configure the phone number and enable enterprise voice. Fortunately, Teams Phone provides the flexibility to deploy and manage different PSTN connectivity types to different users in your organization, optimizing for specific calling scenarios and requirements. To migrate this user to Teams, you must move the user's on-premises Skype for Business account to the cloud, and coordinate that move with migration of the user to Direct Routing. -Carrier manages PSTN connectivity and SBCs. For more information, see Active Directory Federation Services (AD FS). Some scenarios may be 100% cloud-based, while others may require an on-premises setup with connectivity to legacy hardware, and others require mobility or speedy deployment. For Operator Connect, each user is automatically enabled for emergency calling. . For information about managing phone numbers with Teams Phone Mobile, see Set up phone numbers with Teams Phone Mobile. OnlineVoiceRoute objects (based on-premises VoiceRoute). You want to find a new operator to enable calling in Teams. Calls between users in your organization--regardless of geographical area--are handled internally within Phone System. Location-Based Routing (LBR) for Direct Routing enables you to restrict toll bypass for Teams users based on their geographic location. Webex Calling Data Sheet - Cisco For more information, see What are dial plans?. Teams Calling Plans are a great choice when: Operator Connect Easily bring operator-managed PSTN calling to Teams through a participating carrier. User accounts in a hybrid environment with PSTN connectivity - Github You can configure interoperability between your telephony equipment, such as a third-party PBX and analog devices, and Communication Services. Our customers can use any combination of Cisco Calling Plans, Cloud Connected PSTN, or Local Gateway-based PSTN across different sites. Leave both those plans enabled, including the Skype for Business Online Plan 2 license. This also is the case if an on-premises user is moved to the cloud prior to assigning the Phone System license. The environment supports the following combinations: For all users, the user object must be created in the on-premises AD and synchronized to the Azure AD using the Azure AD Connect tool. You want to use a primary company-owned, SIM-enabled mobile number for Teams Phone as a single number solution. Direct routing is a virtual connection between a developer application and the legacy on-premise telephony or carrier used for calls on the public switched telephone network (PSTN). Although each of these options provide businesses with incredible flexibility, we dont want to limit our customers to just one choice. Building your own on-premise PBX system can be difficult. Used together, auto attendants and call queues can easily route callers to the appropriate person or department in your organization. However, to enable users to make calls outside your organization, you need to connect Phone System to the Public Switched Telephone Network (PSTN). If you will be setting the tenant-wide policy to one of the Skype for Business modes, be sure to grandfather existing Islands users by explicitly assigning them Islands mode, as previously described. The initial implementation required an on-premise solution with a single Skype for Business front end server and an SFB edge. The user is required to have a registered emergency address associated with their assigned telephone number. How to manage and configure emergency calling differs depending on your PSTN connectivity option. Microsoft has two types of telephone numbers available: subscriber (user) numbers, which can be assigned to users in your organization, and service numbers, available as toll and toll-free service numbers. Alternatively, you can acquire new numbers directly from Microsoft. The quality and performance of this network, which is critical for high-quality audio and video, are under the direct control of the enterprise staff. You can configure poicies at any time. To correct this problem, users must be moved back to the on premises environment to have their phones updated to the minimum firmware. What Is the PSTN, and How Does It Work? - Twilio Blog Compare Microsoft Teams Operator Connect vs. Direct Routing You don't require deployment or maintenance of an on-premises deploymentbecause Calling Plan operates out of Microsoft 365. How to use Location-Based Routing (LBR) to restrict toll bypass for Microsoft Teams users based on their geographic location. If the user pool is on Lync Server 2013, that external pool traffic remains on Lync Server 2013 Edge Server. A user in Skype for Business Online, with on-premises voice functionality through Skype for Business on-premises or Cloud Connector Edition. . Before assigning TeamsOnly mode, incoming PSTN calls will land in the user's Skype for Business client. All users must be created in Active Directory on premises and synchronized to Microsoft 365 or Office 365 using the supported version of Azure AD Connector. There are some differences in functionality, however, that affect how you configure certain Phone System features. Read this section if you need to understand what dial plans are and whether you need to specify dial plans for your organization. PSTN can be partner . Microsoft acts as your PSTN carrier, as shown in the following diagram: If you answer yes to the following, then Voice Calling (PSTN) is the right solution for you: This option requires an uninterrupted connection to Azure Communication Services. In this scenario, the user is already in Skype for Business Online. Your preferred operator is a participant in the Microsoft Teams Phone Mobile program. Most importantly, we ensure that these options are easy to manage often from a single pane of glass. Organizations often have a variety of connectivity needs depending on their geographic footprint and unique business requirements which can complicate the decision-making process. In this case, signaling and media use a combination of IP-based and PSTN-based technologies to connect your users. Consider which of these other configurations you might need: This article focuses on voice solutions with Microsoft Teams. Local gateway. Vincent and GrenadinesSudanSurinameSvalbard/Jan Mayen Isls.SwazilandSwedenSwitzerlandSyrian Arab RepublicTaiwanTajikistanTanzaniaThailandTimor-LesteTogoTokelauTongaTrinidad and TobagoTunisiaTurkeyTurkmenistanTurks/Caicos Isls.TuvaluUgandaUkraineUnited Arab EmiratesUnited KingdomUnited StatesUS Minor Outlying Is.UruguayUzbekistanVanuatuVatican CityVenezuelaViet NamVirgin Islands (British)Virgin Islands (U.S.)Wallis/Futuna Isls.Western SaharaYemenZambiaZimbabwe. You may have a custom feature or a major add-on to your legacy PBX, such as a call center. You can now enable Phone System capabilities and features for your users homed in Skype for Business Online, but continue to use on-premises PSTN connectivity. Due to the retirement of Skype for Business Online on July 31, 2021, PSTN connectivity between your on-premises environmentwhether through Skype for Business Server or Cloud Connector Editionand Skype for Business Online is no longer supported. More info about Internet Explorer and Microsoft Edge, Plan hybrid connectivity between Skype for Business Server and Skype for Business Online, Deploy hybrid connectivity between Skype for Business Server and Skype for Business Online, Plan Phone System with on-premises PSTN connectivity in Skype for Business Server, PSTN Calling plans for Skype for Business, Enable the users for Enterprise Voice on premises, Synchronize users to the cloud and assign licenses, Move on-premises users to Skype for Business Online, Enable users for Enterprise Voice online and Phone System Voicemail. With Cisco Calling Plans, customers can order, port, and provision PSTN numbers directly from Control Hub, eliminating the friction caused by multiple points of administration. With Microsoft Teams Phone Mobile, a users SIM-enabled phone number is also their Teams phone number. Cisco UCM Cloud enables customers to connect their existing PSTN service to Cisco UCM Cloud using a local gateway or via a certified SIP trunk. Direct routing: Option to provide access to PSTN for users with online Skype for Business account, Microsoft Teams license, using Microsoft Teams client. For more information about how to plan and configure LBR, see the following articles: Before reading the rest of this section on emergency calling considerations, make sure you've reviewed critical emergency calling concepts and definitions outlined in Manage emergency calling. The case study describes how a fictional multi-national corporation, Contoso, implemented a Teams voice solution for their organization. You want to find a new carrier to enable calling in Teams. For example: These businesses can pair Webex Calling with a local gateway so they can use virtually any PSTN provider around the world. so you'll need a reliable internet connection to use it. Traditionally, internal and external business telephone calls have been delivered using a Private Branch Exchange (PBX) phone system, usually located on the business premises. Transmission links constitute the physical wires or fiber, as may be the case . Webex Calling easily extends to a complete collaboration experience that includes market-leading calling, meetings, messaging, contact center, and . This option connects Phone System to your telephony network by using Direct Routing, as shown in the following diagram: If you answer yes to the following questions, then Phone System with Direct Routing is the right solution for you: You connect your own supported Session Border Controller (SBC) to Phone System without the need for additional on-premises software. Cisco Calling Plans are ideal for these customers. How to configure and manage dial plans that translate dialed phone numbers into an alternate format (typically E.164 format) for call authorization and call routing. Assign the desired OnlineVoiceRoutingPolicy. PBX - A Private Branch Exchange is known as a PBX, which is an internal telephone network. Sign up to stay in the loop! Cloud Connected PSTN gives customers the flexibility to choose from a growing selection of Cisco-certified providers that offer service in over 65 countries. Let's break down this definition further. Above all, this system must be easy to manage, so business growth is not slowed by painful administration. The basic steps are listed below. You connect your own supported SBC to Azure Communication Services without the need for extra on-premises software. For customers using voice channel in Dynamics 365 Customer Service Enterprise, Microsoft provides GA level of support for all the direct routing related scenarios. You have an on-premises deployment and you want to move some or all of your users to Skype for Business Online but continue to use on-premises PSTN connectivity. You cannot enable users for Phone System in Office 365 who were created directly in Azure AD. Our monthly newsletter, The Collaboratory, features fresh insights from collaboration experts, plus tips & trends, new product announcements, and the latest on the biggest events of the year. Microsoft engineers and FastTrack Ready partners are also available to assist FastTrack eligible customers* with deployment of Teams Phone through FastTrack for Microsoft Teams. For more information on this, look into Plan Phone System with on-premises PSTN connectivity in Skype for Business Server.