CSA ISO/IEC 29341-26-10:19

1 Scope This service definition 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.