信息技术 - UPnP设备架构 - 第26-10部分:电话设备控制协议 - 第2级 - 呼叫管理服务

[中文适用范围]： 此服务定义符合 [1] 标准。它定义了一种服务类型，本文称为 CallManagement 服务。CallManagement 服务是一种 UPnP 服务，允许控制点使用电话服务器 (TS) 提供的电话功能（例如，语音呼叫、视频呼叫和数据传输等）。CallManagement 服务为电话控制点 (TelCP) 提供以下功能：发起拨出呼叫、接受来电、修改现有呼叫的功能（例如，从语音呼叫更改为视频呼叫）、终止呼叫、预览呼叫日志、注册回拨以及检查已注册回拨的可用性。 [外文原描述]： ISO/IEC 29341-26-10:2017 is compliant with [1]. It defines a service type referred to herein as the CallManagement service. The CallManagement service is a UPnP service that allows control points to use the telephony features(e.g., voice call, video call, and data transfer etc.) provided by a Telephony Server (TS). The CallManagement service enables the following features to a Telephony Control Point (TelCP): - start an outgoing call - accept an incoming call - modify the capability of an existing call (e.g., changing from a voice call to a video call) - terminate a call - preview call logs - register a call back and check the availability of the registered call back To realize these features, the CallManagement service manages the connectivity of calls and media streams.