http://www.itu.int/itu-t/workprog/wp_search.aspx?sg=21 Latest modified work items from ITU-T Study Group 21 Work Programme http://www.itu.int/itu-t/workprog/images/itulogo_new.gif http://www.itu.int/itu-t/workprog/wp_search.aspx?sg=21 ITU tsbedh@itu.int tsbedh@itu.int Editor(s): Xu JIAQI <xujq25@chinaunicom.cn>; Chuanyang MIAO <miao.chuanyang@zte.com.cn>; Zhi QIAO <qiaozhi3@chinaunicom.cn>; Xin SHEN <shenxin_sx@migu.chinamobile.com>; Pei ZHANG <zhangp7@chinaunicom.cn>; Xiufang ZHONG <zhongxf1@chinaunicom.cn> Tue, 08 Sep 2026 12:34:42 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=21113 IPTV terminal device: Home gateway integrated model Editor(s): Jiang CHAO <jiangchao@fiberhome.com>; Ge CHEN <chengg55@chinatelecom.cn>; Chuanyang MIAO <miao.chuanyang@zte.com.cn>; Xin SHEN <shenxin_sx@migu.chinamobile.com> Tue, 08 Sep 2026 12:31:27 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=23663 Guidelines of Multimedia Integration, Handling and Streaming (MIHS) service model and framework Editor(s): Liang BO <liangbo8@chinaunicom.cn>; Lianyuan LI <lilianyuan@chinamobile.com>; Hui YAN <yanhui@chinatelecom.cn>; Haoyue ZHENG <zhenghaoyue@chinamobile.com> Tue, 08 Sep 2026 12:26:38 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=21121 Requirements and architecture for IPTV end-user device management system supporting multicast services in home networks Editor(s): Chuanyang MIAO <miao.chuanyang@zte.com.cn>; Xin SHEN <shenxin@sttri.com.cn> Tue, 08 Sep 2026 12:25:19 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=21118 Requirement and architecture for enhanced advertising service over IPTV systems Editor(s): Xiang LI <lixiangyw@chinamobile.com>; Chuanyang MIAO <miao.chuanyang@zte.com.cn>; Xin SHEN <shenxin_sx@migu.chinamobile.com> Tue, 08 Sep 2026 12:21:13 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=21123 IPTV terminal device: Full-fledged model Editor(s): Xiaofeng CHEN <chenxiaofeng@hyperchain.cn>; Yunchul CHOI <cyc79@etri.re.kr>; Jung Soo PARK <pjs@etri.re.kr>; Lifeng ZHANG <zhanglifeng@caict.ac.cn> Tue, 08 Sep 2026 12:13:53 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=24249 Reference architecture for data sharing and management in multi-agent multimedia systems based on distributed ledger technology Editor(s): Jinjie MA <19472524@qq.com>; Weiqi PAN <njpanwq@163.com>; Pi YICHEN <479441357@qq.com>; Lifeng ZHANG <zhanglifeng@caict.ac.cn> Tue, 08 Sep 2026 12:13:33 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=24246 Framework for distributed ledger technology (DLT)-based cross-domain settlement of electric vehicle grid-connected reserve services Editor(s): Shangyu LI <shangyuli@cge.cl>; Moises MOYA GARIAZZO <mmoyag@cge.cl>; Weiwei PANG <pangweiwei@caict.ac.cn>; Yong YAN <55682381@qq.com> Tue, 08 Sep 2026 12:13:19 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=24248 Framework and requirements of DLT-based trusted tamper-evident database for supporting multimedia service Editor(s): Xiufeng LIN <linxiufeng2023@ruc.edu.cn>; Shaoying WANG <18630103019@163.com>; Junying WU <kkyy237@163.com>; Xing XU <hsuxing@zju.edu.cn>; Lifeng ZHANG <zhanglifeng@caict.ac.cn> Tue, 08 Sep 2026 12:12:59 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=24247 Framework and requirements for distributed ledger technology supporting decentralized identity services in multimedia applications Editor(s): Yang CHENG <chengyang@caict.ac.cn>; Gang DI <dg.std@pbcdci.cn>; Changchun MU <mucc.std@pbcdci.cn>; Weiwei PANG <pangweiwei@caict.ac.cn>; Kai WEI <weikai@caict.ac.cn> Tue, 08 Sep 2026 12:12:42 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=21156 Stability assessment methods for distributed ledger technology platforms