What Is PSTN and How Does It Actually Work? - Nextiva Blog You can configure interoperability between your telephony equipment, such as a third-party PBX and analog devices, and Communication Services. An all-in-the-cloud solution with Microsoft as your PSTN carrier. For new users, such as a new hire, who will be enabled . You want to use Microsoft-managed access to the PSTN. PDF Bring Your Own Carrier - Zoom In a purely on-premise Skype for Business Server 2015 Enterprise Voice deployment, all the infrastructure and clients are on the enterprise's own network. To connect Phone System to the PSTN, you can choose one of the following options: Phone System with Calling Plan. When using our integrated Cisco-certified providers, customers can manage the entire provider selection and number procurement process in Control Hub. You configure user dial plans for purposes of number translation for call authorization and call routing. 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). The Teams Phone setup guide (requires admin access) is available to guide you through every step of the deployment. To learn more about voice channel, see Introduction to the voice channel. A user in Skype for Business Online, with on-premises voice functionality through Skype for Business on-premises or Cloud Connector Edition. Hi, I'm assuming that there is no existing on-premises Skype for Business environment. Learn how to connect your on-premises telephony network to Teams using Direct Routing. If you are using an earlier version of AAD Connect tools or DirSync, please upgrade to the supported version. 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. Cisco Calling Plans are ideal for these customers. For more information about how to implement your voice migration for each of these scenarios, see the following articles: PSTN considerations when upgrading to Teams for IT administrators. SMS capabilities depend on the phone number you use and the country that you're operating within as determined by your Azure billing address. To learn more about Phone System, including licensing and plans, see PSTN Calling plans for Skype for Business. Move on-premises users to Skype for Business Online (performed using Windows PowerShell on-premises, but using your Office 365 administrator credentials). 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. You can also choose a combination of options, which enables you to design a solution for a complex environment, or manage a multi-step migration. A contract with a third-party carrier. Functionality described in this document is currently in public preview. -Requires certified SBC purchased from third-party vendor. More info about Internet Explorer and Microsoft Edge, Plan Phone System with on-premises PSTN connectivity in Skype for Business Server, Enterprise Voice/Hybrid Voice Connectivity/Direct Routing, No, user object MUST be created in on-premises AD first, No, Microsoft Teams client is not supported with on-premises Skype for Business, No, Direct Routing is not supported with Skype for Business client, Skype for Business Server or Lync Server 2013, An Microsoft 365 or Office 365 organization, Hybrid connectivity configured between the Skype for Business Server and Skype for Business Online or Microsoft Teams tenant, Users who are enabled to make and receive Public Switched Telephone Network (PSTN) calls to and from the client. How you configure call routing differs depending on your PSTN connectivity option. For customers using voice channel in Dynamics 365 Customer Service Enterprise, Microsoft provides GA level of support for all the direct routing related scenarios. The following table highlights the primary configuration differences. Creating users in online Skype for Business or Teams without first enabling them in on-premises pool with Enterprise Voice is not supported. TeamsOnly mode. Whenever your users interact with a traditional telephone number, calls are facilitated by PSTN (Public Switched Telephone Network) voice calling. Skype for Business Server requirements for Cloud PBX with on-premises leverage your preferred wireless operator contracts and mobile numbers), Require connectivity in countries not covered by Teams Calling Plans, Operator Connect, or Teams Phone Mobile providers, Are subject to regulatory, compliance, or survivability requirements that dictate on-premises connectivity, Have an existing operator agreement they wish or need to maintain, Require connectivity in countries not covered by Microsoft Calling Plans, Operator Connect, or Teams Phone Mobile providers, Document your country/user/office locations, user counts, and their phone requirements, Understand whether there are existing service agreements or hardware that need to be maintained, Understand if there are regulatory or compliance requirements governing specific users or countries, Document each of the use cases within your organization and decide which PSTN connectivity solution would be best for each scenario. Explore 6 SIP trunk providers with these comparison points Republic OfCook IslandsCosta RicaCte d'IvoireCroatiaCubaCuracaoCyprusCzech RepublicDenmarkDjiboutiDominicaDominican RepublicEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEstoniaEthiopiaFalkland IslandsFaroe IslandsFijiFinlandFranceFrench GuianaFrench PolynesiaFrench Southern Terr.GabonGambiaGeorgiaGermanyGhanaGibraltarGreeceGreenlandGrenadaGuadeloupeGuamGuatemalaGuernseyGuineaGuinea-BissauGuyanaHaitiHeard/McDonald Isls.HondurasHong KongHungaryIcelandIndiaIndonesiaIranIraqIrelandIsle of ManIsraelItalyJamaicaJapanJerseyJordanKazakhstanKenyaKiribatiKorea (South)KosovoKuwaitKyrgyzstanLaosLatviaLebanonLesothoLiberiaLibyaLiechtensteinLithuaniaLuxembourgMacauMacedoniaMadagascarMalawiMalaysiaMaldivesMaliMaltaMarshall IslandsMartiniqueMauritaniaMauritiusMayotteMexicoMicronesiaMoldovaMonacoMongoliaMontenegroMontserratMoroccoMozambiqueMyanmarN. For information about managing phone numbers with Teams Phone Mobile, see Set up phone numbers with Teams Phone Mobile. If you move your users from on-premises to online prior to updating the firmware, users will be unable to connect using their phones. Your preferred carrier is a participant in the Microsoft Operator Connect program. 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. For example, Location-Based Routing is only required for Direct Routing customers in geographic locations that do not allow toll bypass. Registered emergency locations aren't supported for Direct Routing users. 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. For example, call unanswered and forwarding settings, call transfer, custom music on hold, call park, shared line, and voice apps are all available. This article focuses on PSTN connectivity options. 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. The sections that follow the table provide links to more information and details. The circuit-switched PSTN opens up a continuous connection between two phones, that begins with a dial tone and ends when the phone is hung up. Phone System with your own PSTN mobile carrier by using Teams Phone Mobile. On-premises Skype for Business Mediation server provides interconnectivity to PSTN. Ensure that your Session Border Controller (SBC) is supported with Direct Routing by reviewing this list. Using Phone System with Teams is only supported when the user's account is assigned a Teams upgrade policy with Teams Only mode. It's a cloud-based solution that's simple to set-up, inexpensive to use, and easy to scale. On Premises PSTN Connectivity Options - Microsoft Community Dynamic emergency calling (based on the location of the Teams client) is supported. A cloud phone system is the clear solution for businesses that need to support a hybrid workforce thats working from home, the office, and on the road. 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. This topic describes how to enable users for Phone System with on-premises PSTN connectivity. This technology means that calls are established over the internet. A user in Skype for Business on-premises with Enterprise Voice, who will be moving to online and keeping on-premises PSTN connectivity. Allows operators to quickly qualify their connectivity for inclusion into programs like MS-Teams Operator Connect and Zoom Provider Exchange. PSTN calls for all users will need transcoding on the mediation server! For more information, see Active Directory Federation Services (AD FS). 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. Assign the Microsoft 365 or Office 365 licenses if necessary. Enabling a user for Phone System with on-premises PSTN connectivity and then moving them to Skype for Business Online requires the following steps: Enable the users for Enterprise Voice on premises (performed while the users are homed on-premises). Assign the desired OnlineVoiceRoutingPolicy. Cloud Connected PSTN gives customers the flexibility to choose from a growing selection of Cisco-certified providers that offer service in over 65 countries. Our Cisco-certified partners are world-class service providers that meet the highest standards of service quality, reliability and support. Cisco Calling Plans are available in the United States, Canada, Belgium, Denmark, Finland, France, Germany, Ireland, Lithuania, Luxembourg, Sweden, and the United Kingdom. The use of the default domain for Microsoft 365 or Office 365, onmicrosoft.com, is not supported. Phone System works with Teams clients and certified devices. 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. For example, you might have offices in locations where Calling Plan isn't available. Mariana Isls.NamibiaNauruNepalNetherlandsNetherlands AntillesNew CaledoniaNew ZealandNicaraguaNigerNigeriaNiueNorfolk IslandNorwayOmanPakistanPalauPalestinian Territory, OccupiedPanamaPapua New GuineaParaguayPeruPhilippinesPitcairnPolandPortugalPuerto RicoQatarReunionRomaniaRussian FederationRwandaSaint Kitts and NevisSaint LuciaSaint MartinSamoaSan MarinoSao Tome/PrincipeSaudi ArabiaSenegalSerbiaSerbia and MontenegroSeychellesSierra LeoneSingaporeSint MaartenSlovak RepublicSloveniaSolomon IslandsSomaliaSouth AfricaSouth Georgia and the South Sandwich IslandsSouth SudanSpainSri LankaSt. Business VoIP phone systems use digital packet switching. -Carrier manages SIM-Enabled Mobile number, PSTN connectivity, and SBCs. Read this section if your organization is using Direct Routing at a location that doesn't allow toll bypass. Combined with Phone System, PSTN connectivity options enable your users to make phone calls all over the world. Learn more about FastTrack for Microsoft Teams here. Phone System is Microsoft's technology for enabling call control and Private Branch Exchange (PBX) capabilities in the Microsoft 365 cloud with Microsoft Teams. For cloud calling, outbound calls are billed at per-minute rates depending on the target country. - Cloud PBX with local on-premises PSTN connectivity. The state of PSTN connectivity: Separating PSTN from UCaaS Auto attendants allow you to set up menu options to route calls based on caller input. To migrate these users to TeamsOnly mode with PSTN functionality, you must enable the users for Direct Routing. But the abundance of options might create some unsupported combinations. To learn how to set up hybrid connectivity, see Plan hybrid connectivity between Skype for Business Server and Skype for Business Online and Deploy hybrid connectivity between Skype for Business Server and Skype for Business Online. ). The user's PSTN connectivity is also on-premises. For more information, see Phone System Direct Routing and Calling Plans. These steps should be completed before Step 5. This article focuses on PSTN connectivity options. BLOG: Deploying Polycom phones for Cloud PBX with on-premise PSTN OnlinePSTNUsage objects (based on on-premises PSTN usage). Leave both those plans enabled, including the Skype for Business Online Plan 2 license. Microsoft supports a combination of solutions: For a visual summary of all the voice solution options, see the voice solutions poster. If you want to set up Cloud PBX with on-premises PSTN connectivity, you need some on-premise Skype for Business servers. 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. 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. Find out more about the Microsoft MVP Award Program. As mentioned above, the Hybrid Voice Connectivity provides access to PSTN for users with a Skype for Business online account. How to use Location-Based Routing (LBR) to restrict toll bypass for Microsoft Teams users based on their geographic location. Many businesses lack the time, resources, and expertise to manage relationships with multiple service providers. Unless you previously disabled the Teams license, no action should be necessary. This preview version is provided without a service-level agreement, and we don't recommend it for production workloads. 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. 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. Cloud PBX - onprem pstn Connectivity - integration with analog devices In some countries and regions, it's illegal to bypass the PSTN carrier to decrease long-distance calling costs. Microsoft Calling Plan isn't available in your geographic location. Phone System with on-premises PSTN connectivity enables you to leverage Phone System (Cloud PBX) capabilities for your users. A user in Skype for Business on-premises with Enterprise Voice, who will be moving to online and keeping on-premises PSTN connectivity. Configure Hybrid Voice Connectivity with Skype for Business online. Skype for Business Server 2015, March 2016 Cumulative Update 6.0.9319.235, Lync Server 2013 July 2015 Cumulative Update 5.0.8308.920. . 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 more information, see Configuration considerations later in this article. Configure your tenant for Direct Routing. The basic steps are listed below. Synchronize users to the cloud and assign licenses (performed using Office 365). Evaluating Direct Routing for Microsoft Teams telephony The user's upgrade to Teams needs to be coordinated with migration of the user to Direct Routing to ensure the TeamsOnly user has PSTN functionality. 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. The exact logic for how EV-enabled gets set to true depends on the following scenario: If the user is EV-enabled in on-premises Skype for Business Server and a Phone System license is assigned to the user prior to moving the user to the cloud with Move-CsUser, the online user will be provisioned with EV-enabled=true. For more information about Calling Plan, see the following articles: With Operator Connect, if your existing carrier participates in the Microsoft Operator Connect program, they can manage the service for bringing PSTN calling to Teams. How to manage and configure emergency calling differs depending on your PSTN connectivity option. For more information, visit the Subscription eligibility documentation. Published date: June 14, 2021. A user in Skype for Business on-premises with Enterprise Voice, who will be moving to online and using a Microsoft Calling plan. You need to interoperate with third-party PBXs and/or equipment such as overhead pagers, analog devices, and so on. Choose Microsoft as your telephony carrier or connect your own telephony carrier to Microsoft Teams by using Operator Connect or Direct Routing. Enterprises with a global footprint face several challenges.