Business continuity - Cloud applications and connectivity options remove chances of service disruption associated with hardware on the premises and trunks from the premises to the PSTN network. Prior to SIP, the only way to connect business voice over IP phone systems was to use a VoIP gateway as an intermediary point that converted VoIP packets to legacy PSTN analog or digital protocols . Cloud Voicemail is automatically set up and provisioned for Teams users. Above all, this system must be easy to manage, so business growth is not slowed by painful administration. 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. Cloud Voicemail includes voicemail transcription, which is enabled for all users in your organization by default. Most importantly, much of this solution is managed through a single pane of glass. It is the simplest option that connects Communication Services to the Public Switched Telephone Network (PSTN) to enable calls to landlines and mobile phones worldwide. Enterprises with a global footprint face several challenges. If the Skype for Business Online Plan 2 is disabled, re-enable it. OnlineVoiceRoutingPolicy (based on the on-premises VoiceRoutingPolicy if migrating users from Skype for Business Online, and based on VoicePolicy if migrating users from on-premises with Enterprise Voice). Dynamic emergency calling (based on the location of the Teams client) is supported. The user's PSTN connectivity is on-premises, either using Skype for Business Server in hybrid mode or Cloud Connector Edition. Read this section if you need to understand how to manage emergency calling for your organization. For cloud calling, outbound calls are billed at per-minute rates depending on the target country. Using Phone System with Skype for Business is only supported when the user's account is assigned a Teams upgrade policy with an SfB mode. However, if you want to ensure that users have the correct configuration when they are upgraded, configure these policies before the user is upgraded to TeamsOnly. 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. Additional features, storage, and support start at just one low price. Dynamic emergency calling (based on the location of the Teams client) is supported. Direct routing for Azure Communication Services is in development. Azure Communication Services Calling SDKs can be used to add telephony and Public Switched Telephone Network access to your applications. This solution provides your business with a smooth migration from on-premises deployments to the cloud at a pace that meets your business strategy. You do not require deployment or maintenance of an on-premises deploymentbecause Voice Calling (PSTN) operates out of Azure Communication Services. What you need to think about when migrating your voice solution to Teams. It adds convenient PSTN connectivity plans to Webex Calling to provide customers with a complete enterprise phone system delivered by a single vendor, with the full support of Cisco partners. In Microsoft 365 or Office 365, upgrade the user to TeamsOnly mode (Grant-CsTeamsUpgradePolicy). Combined with Phone System, PSTN connectivity options enable your users to make phone calls all over the world. Registered emergency locations aren't supported for Direct Routing users. You need to interoperate with third-party PBXs and/or equipment such as overhead pagers, analog devices, and so on. Move on-premises users to Skype for Business Online (performed using Windows PowerShell on-premises, but using your Office 365 administrator credentials). Supportability statement for the hybrid environment with PSTN. This article provides a high-level overview only. For customers using voice channel in Dynamics 365 Customer Service Enterprise, Microsoft provides GA level of support for all the direct routing related scenarios. Simplified management that comes with all-in-one solution is important. Voice Calling (PSTN) An easy way of adding PSTN connectivity to your app or service, in such case, Microsoft is your telco provider. This is not necessarily the same as your generic Internet connection. Blog co-authored with Tom Arbuthnot, Microsoft MVP and Microsoft Certified Master, Founder and Principal at Empowering.Cloud. It may be that one solution fits all scenarios or you may need to find a combination of solutions for 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). With this option, you can connect legacy on-premises telephony and your carrier of choice to Azure Communication Services. Or you might need a combination solution that supports a complex, multi-national deployment, with different requirements for different geographic locations. Assign a Voice Routing Policy (performed while the users are homed on-premises). See the current rate list for PSTN calls. You want to use Microsoft-managed access to the PSTN. To correct this problem, users must be moved back to the on premises environment to have their phones updated to the minimum firmware. You want to use Communication Services with PSTN calling capabilities. However, if you want to ensure that users have the correct configuration when they are upgraded, configure these policies before the user is upgraded to Direct routing: Option to provide access to PSTN for users with online Skype for Business account, Microsoft Teams license, using Microsoft Teams client. If a hard reset is performed while the device is not at minimum firmware it will default to using PIN Authentication, which is not supported in Skype for Business Online. For more information, see Considerations for Teams Phone Mobile. Any call forwarding, team-call group, and delegation settings from Skype for Business are not migrated and will need to be re-recreated for Teams. The version of AAD Connect you use must be version 1.0.9125.0 or later. For Direct Routing, you must configure call routing by specifying the voice routes and assigning voice routing policies to users. 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. This article describes Public Switched Telephone Network (PSTN) considerations when upgrading to Teams. You don't need to retain your current PSTN carrier. It provides PSTN calling capabilities to your Communication Services application even if Voice Calling (PSTN) is not available in your country/region. Here we are ready to move on-premise Skype for Business Enterprise Voice enabled accounts to Office365 E5 Cloud PBX. Emergency calls are routed automatically to the Teams Phone Mobile carrier for a given number. As another example, Direct Routing provides Location-Based-Routing (LBR). For guidance on planning a Teams voice solution as part as your overall plan to upgrade to Teams from Skype for Business Server, see PSTN considerations for upgrading to Teams from Skype for Business on-premises. The user should have both Teams and Skype for Business Online Plan 2 and Phone System. For example, call unanswered and forwarding settings, call transfer, custom music on hold, call park, shared line, and voice apps are all available. Steps 1-5 are listed in the suggested sequence, but they can be done in any order. You want to mix routing, with some calls going through Calling Plan, some through your carrier. The Teams Phone setup guide (requires admin access) is available to guide you through every step of the deployment. Deploying and maintaining a supported SBC. For a complete list of Phone System features, see Here's what you get with Phone System. In some countries and regions, it's illegal to bypass the PSTN carrier to decrease long-distance calling costs. Configure Hybrid Voice Connectivity with Skype for Business online. The value in the cloud is what matters for Teams. For an organization that is upgrading to Teams, the ultimate goal is to move all users to TeamsOnly mode. Traditionally, internal and external business telephone calls have been delivered using a Private Branch Exchange (PBX) phone system, usually located on the business premises. 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. An . For more background information on hybrid deployments, see Plan hybrid connectivity between Skype for Business Server and Office 365. Read this section if you need to obtain phone numbers, transfer existing numbers, obtain service numbers, and so on. For information about deploying Phone System, see Enable users for Phone System with on-premises PSTN connectivity in Skype for Business Server. Before following the steps in this topic, you should read the following: . Creating users in online Skype for Business or Teams without first enabling them in on-premises pool with Enterprise Voice is not supported. Phone System servers and traffic traverse this network. Enabling users for Teams/Skype for Business is not supported if the user object is created directly in the Azure AD in a hybrid configuration. You configure user dial plans for purposes of number translation for call authorization and call routing. If you answer yes to any of the following questions, then Azure direct routing is the right solution for you: More info about Internet Explorer and Microsoft Edge, Supplemental Terms of Use for Microsoft Azure Previews, Phone number types in Azure Communication Services, Session Border Controllers certified for Azure Communication Services direct routing, Redirect inbound telephony calls with Call Automation. To learn more about Phone System, including licensing and plans, see PSTN Calling plans for Skype for Business. If you want to upgrade your organization to Teams yourself, we strongly recommend that you begin planning your upgrade path today. Cloud Connected PSTN gives customers the flexibility to choose from a growing selection of Cisco-certified providers that offer service in over 65 countries. You want to use Microsoft-managed access to the PSTN. The users are initially homed on-premise and PSTN delivered through 3rd party SIP trunks terminating onto the mediation service role. We recommend deploying AD FS to support Single Sign-on. To migrate this user to TeamsOnly mode with PSTN functionality, you must move the user to the cloud, and either port their number from the old carrier to a Microsoft Calling plan, or assign a new number to the user. Phone System with your own PSTN carrier with Operator Connect, Phone System with your own PSTN mobile carrier with Teams Phone Mobile, Phone System with your own PSTN carrier with Direct Routing, A combination solution that uses Phone System with Calling Plan, Phone System with Operator Connect, and/or Phone System with Direct Routing. For Calling Plan, each user is automatically enabled for emergency calling. For Direct Routing, you must define emergency calling policies for users by using a Teams emergency call routing policy (TeamsEmergencyCallRoutingPolicy). Skype for Business Online was retired on July 31, 2021 and PSTN connectivity between your on-premises environment, whether through Skype for Business Server or Cloud Connector Edition and Skype for Business Online, is no longer supported. If your existing carrier participates in the Microsoft Teams Phone Mobile program, they can manage the service for bringing PSTN calling to Teams. For example, you might choose Teams Phone Mobile for your sales and field organizations that require mobile support, but another solution for your onsite call center organization that relies on desk phones. You need to retain your current PSTN carrier. This type of switching is more efficient than circuit switching because the data is sent and received as and when needed. * When you purchase 150 or more seats of an eligible subscription, FastTrack will help with core and advanced Teams onboarding. There are four different types of nodes: customer premises equipment (CPE), transmission, service, and switching. Microsoft provides complete Private Branch Exchange (PBX) capabilities for your organization through Phone System. This configuration is essentially a mirror of the on-premises configuration. They need the flexibility to select between different service providers, often on a country-by-country basis, to ensure that their workers and customers around the world have a high quality, cost-effective, calling experience. Some of the sections in this article pertain to all organizations. 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. (Unless deployed as an option to provide a connection to third-party PBX, analog devices, or other telephony equipment for users who are on Communication Services. In most countries, Cloud Connected PSTN customers can select from multiple Cisco-certified Partners. You'll read more about migration later. 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. Calls between users in your organization--regardless of geographical area--are handled internally within Phone System. By default, when you assign a Microsoft 365 or Office 365 license, Teams is enabled. To learn how to configure network settings for network regions, network sites, network subnets, and trusted IP addresses, see the following articles: More info about Internet Explorer and Microsoft Edge, Country and region availability for Calling Plan, Manage voice routing policies for use with Direct Routing, Plan Location-Based Routing for Direct Routing, List of Session Border Controllers certified for Direct Routing, Set up phone numbers with Operator Connect, Set up phone numbers with Teams Phone Mobile, Configure the phone number and enable enterprise voice, Configure voice routing for Direct Routing, Configure network settings for Location-Based Routing, Enable Location-Based Routing for Direct Routing, Contoso case study: Location-Based Routing, Plan and configure dynamic emergency calling, Manage emergency call routing policies for Direct Routing, Network settings for cloud voice features in Microsoft Teams - Concepts and terminology, Manage your network topology for cloud voice features in Microsoft Teams. To connect Phone System to the PSTN, you can choose from the following options: Calling Plan. -Requires certified SBC purchased from third-party vendor. Assign a Voice Routing Policy (performed while the users are homed on-premises). Migrating this user to Teams requires moving the user's . Prepare select users for voice migration: Upgrade the user: These steps should be coordinated. The sections that follow the table provide links to more information and details. The basic steps are listed below. Contoso voice migration case study Calling Plan is available in your region. 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. The following table highlights the primary configuration differences. You want to use a primary company-owned, SIM-enabled mobile number for Teams Phone as a single number solution. The PSTN uses circuit switching (or switching) for connecting calls. (Unless deployed as an option to provide connection to third-party PBX, analog devices, or other telephony equipment for users who are on Phone System with Calling Plan.). Microsoft Teams Phone gives you PSTN connectivity choice, Simplified management that comes with all-in-one solution is important, There is not any existing on premises PSTN infrastructure (SBC or voice trunks) to interconnect with, Want to maintain an existing operator contract for fixed line numbers or wish to select a new carrier from a list of Operator Connect partners, Seek a fully managed solution - PSTN calling services and infrastructure are completely managed by the operator along with Microsoft, Have users in locations where Teams Calling Plans are not yet available, Need a fast and easy deployment simply connect to your operator and assign phone numbers to users, all from the Teams admin center, Enable improved mobility for hybrid and mobile workers, through a single, business-provided number for Teams and mobile calling, Eliminate costs associated with fixed line service for these users, Apply security, compliance, and policy settings across mobile devices, Quickly and easily deploy, configure, and manage calling for Teams, Inherit all the benefits of Operator Connect for employees with business provided mobile numbers (e.g. Cisco Calling Plans are available in the United States, Canada, Belgium, Denmark, Finland, France, Germany, Ireland, Lithuania, Luxembourg, Sweden, and the United Kingdom. - Cloud PBX with centralized On-Premises PSTN connectivity. For more information about Cloud Voicemail and its configuration, see the following articles: By default, all outbound calls use the assigned phone number as calling identity (caller ID). Hybrid Voice Connectivity: Option to provide access to PSTN for users with Skype for Business Online account. Sharing best practices for building any app with .NET. The initial implementation required an on-premise solution with a single Skype for Business front end server and an SFB edge. This solution is the simplest option that connects Phone System to the PSTN. This method requires the businesses use and maintain their own session border controller ( SBC ) as a bridge between the PSTN and Teams platform. You must be a registered user to add a comment. Microsoft supports a combination of solutions: For a visual summary of all the voice solution options, see the voice solutions poster. Local gateway. Enable users for Enterprise Voice online and Phone System Voicemail (performed using Remote PowerShell. To migrate this user to Teams, you must move the user's on-premises Skype for Business account to the cloud. 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. Most importantly, we ensure that these options are easy to manage often from a single pane of glass. Using Phone System with Teams is only supported when the user's account is assigned a Teams upgrade policy with Teams Only mode. Teams Phone mobile enables organizations to: Direct Routing This highly customizable approach allows you to maintain your existing PSTN carrier and telephony investments by connecting your Session Border Controller(s) (SBC) to Phone System. If an existing TeamsOnly or Skype for Business Online user is assigned a Phone System license, EV-enabled is not set to true by default. If your PBX is not on this list, you can use a Session Border Controller to connect your PBX with Phone System in Skype for Business Online. This option is Microsoft's all-in-the-cloud solution that provides Private Branch Exchange (PBX) functionality and calls to the Public Switched Telephone Network (PSTN), as shown in the following diagram. To migrate this user to TeamsOnly mode with PSTN functionality, you must enable the user for Direct Routing, and then move the user to the cloud. The PSTN media is anchored through a registered public IP that the Telco provider allows. Direct routing is suited for organizations that: Download the Teams Phone PSTN guidance to understand which calling solutions may be right for you. Your preferred carrier is a participant in the Microsoft Operator Connect program. (1.) Service numbers have higher concurrent call capacity than subscriber numbers and can be assigned to services such as Audio Conferencing, Auto Attendants, or Call Queues. The user is required to have a registered emergency address associated with their assigned telephone number. Skype for Business Online, excluding the service operated by 21Vianet in China, was retired on July 31, 2021. With Operator Connect, if your existing operator participates in the Microsoft Operator Connect program, they can manage the service for bringing PSTN calling to Teams. Phone System works with Teams clients and certified devices. Calling Plan is available in your region. 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. A user in Skype for Business on-premises with Enterprise Voice, who will be moving to online and keeping on-premises PSTN connectivity. This technology means that calls are established over the internet. You can configure interoperability between your telephony equipmentsuch as a third-party PBX and analog devicesand Phone System. Teams has lagged in offering feature parity to on-premises Skype for Business. The cloud PBX service logic, features, and connectivity are built on geographically redundant and reliable data centers in the cloud so calls can always be routed and answered with flexible options. Pierre and MiquelonSt. However, if you want to ensure that users have the correct configuration when they are upgraded, configure these policies before the user is upgraded to TeamsOnly. For example, you might have offices in locations where Calling Plan isn't available. If your existing carrier participates in the Microsoft Teams Phone Mobile program, they can manage the service for bringing PSTN calling to Teams. The option or options you choose affect how some Phone System features are configured. LBR lets you restrict toll bypass in certain geographic locations where it is not allowed. For more information on this, look into Plan Phone System with on-premises PSTN connectivity in Skype for Business Server. Country * Please selectUnited StatesUnited KingdomAustraliaCanadaFranceGermanyNetherlandsSpainSweden--------------Afghanistanland IslandsAlbaniaAlgeriaAmerican SamoaAndorraAngolaAnguillaAntarcticaAntigua and BarbudaArgentinaArmeniaArubaAustraliaAustriaAzerbaijanBahamasBahrainBangladeshBarbadosBelarusBelgiumBelizeBeninBermudaBhutanBoliviaBonaireBosnia and HerzegovinaBotswanaBouvet IslandBrazilBrit/Indian Ocean Terr.Brunei DarussalamBulgariaBurkina FasoBurundiCambodiaCameroonCanadaCape VerdeCayman IslandsCentral African RepublicChadChileChinaChristmas IslandCocos (Keeling) IslandsColombiaComorosCongoCongo, The Dem. Ensure that your Session Border Controller (SBC) is supported with Direct Routing by reviewing this list. Steps 1-4 are listed in the suggested sequence, but they can be done in any order. Business VoIP phone systems use digital packet switching. Plan Cloud PBX with on-premises PSTN connectivity in Skype for Business Server 2015 or Lync Server 2013. Location-Based Routing (LBR) for Direct Routing enables you to restrict toll bypass for Teams users based on their geographic location. Certain features might not be supported or might have constrained capabilities. 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. Teams Phone Mobile. A user in Skype for Business on-premises with Enterprise Voice, who will be moving to online and using a Microsoft Calling plan. This article focuses on PSTN connectivity options. For more information, see Phone System guidance for small and medium businesses to help you plan, set up, and manage your voice solution. For information on how to configure Operator Connect, see Configure Operator Connect. Phone System allows you to replace your existing PBX system with a set of features directly delivered from Microsoft 365. Our Cisco-certified partners are world-class service providers that meet the highest standards of service quality, reliability and support. About 70% of participants who buy separate Session Initiation Protocol trunking services with UCaaS said cost savings is the top reason for choosing to separate PSTN connectivity from UCaaS. At Webex, we understand that businesses need a cloud phone system with powerful enterprise-grade calling features and flexible options to deliver these features to users worldwide. To connect Phone System to the PSTN, you can choose one of the following options: Phone System with Calling Plan. That's why we offer our customers three flexible options for PSTN connectivity with Webex Calling that enables them to support users in 85 countries. For information about managing phone numbers for Calling Plan, see Manage phone numbers for Calling Plans.