计划和部署 Teams 语音解决方案Plan and deploy a Teams voice solution
使用Teams语音解决方案，组织内部和外部人员均可以拨打电话。A Teams voice solution enables people in your organization to make calls both within and outside your organization. 完整的语音解决方案包括Teams、Microsoft 电话系统以及用于连接到公用电话交换网和 PSTN (的选项) 。A complete voice solution consists of Teams, Microsoft Phone System, and a choice of options for connecting to the Public Switched Telephone Network (PSTN).
电话系统为组织提供完整的专用Exchange (PBX) 功能。Phone System provides complete Private Branch Exchange (PBX) capabilities for your organization. 组织中用户之间的呼叫（无论其地理位置如何）均在内部电话系统因此可消除这些内部呼叫的长途成本。Calls between users in your organization--no matter their geographic location--are handled internally within Phone System thereby removing long-distance costs on these internal calls.
通过将 电话系统连接到公用电话交换 (PSTN) ，Teams用户还可以在组织外部拨打电话。By connecting Phone System to the Public Switched Telephone Network (PSTN), your Teams users can make calls outside your organization as well.
此解决方案指南可帮助你：This solution guidance helps you to:
- 选择适合贵组织的语音解决方案Choose the voice solution that is right for your organization
- 部署所选的语音解决方案Deploy the voice solution you selected
按照以下步骤选择、计划和配置语音解决方案：Follow these steps to choose, plan, and configure your voice solution:
通过选择下列选项之一或组合设置 PSTN 连接：Set up PSTN connectivity by choosing one, or a combination, of the following:
有关所需许可证的信息，请参阅以下内容：For information about required licenses, see the following: