ISO/IEC 29341-26-3:2017定义了一种名为TelephonyServer的设备类型，它符合[1]
TelephonyServer设备是一种UPnP设备，允许控制点利用一组电话功能，例如通过其他支持UPnP的家庭网络设备，通过UPnP管理电话呼叫、消息传递、状态等。此设备提供具有以下功能的控制点:
-管理电话呼叫，包括发起呼叫、拒绝呼叫、接受和处理呼叫
-消息功能包括发送和检索消息以及传入消息的通知。
-支持用户友好的输入功能
-通过电话数据模型配置电话服务器。

ISO/IEC 29341-26-3:2017 defines a device type named TelephonyServer that complies with [1].
The TelephonyServer device is a UPnP device that allows control points to exploit a set of telephony features such as managing telephony calls, messaging, presence etc via UPnP though other UPnP enabled home network devices. This device provides control points with the following functionality:
- Managing telephony calls including initiation of a call, rejection of a call, acceptance and mofications of a call.
- Messaging features including sending and retrieving messages and notifications of incoming messages.
- Enabling user friendly input capability.
- Configuring of the Telephony Server via phone data model.