This standard BS ISO/IEC 29341-26-2:2017 Information technology. UPnP Device Architecture is classified in these ICS categories:
35.200 Interface and interconnection equipment
This document defines a device type named TelephonyClient, that complies with [1].
The TelephonyClient device is a UPnP device that allows control points to exploit a set of telephony features such as management of media session with a telephony server, messaging, presence etc via UPnP though other UPnP enabled home network devices. This device provides control points with the following functionality:
Managing media session with a telephony server including setting up and terminating of media session with a telephony server.
Messaging features including sending and retrieving messages and notifications of incoming messages.