http://www.itu.int/itu-t/workprog/wp_search.aspx?sg=15 Latest modified work items from ITU-T Study Group 15 Work Programme http://www.itu.int/itu-t/workprog/images/itulogo_new.gif http://www.itu.int/itu-t/workprog/wp_search.aspx?sg=15 ITU tsbedh@itu.int tsbedh@itu.int Editor(s): Dong WANG <wangdongyjy@chinamobile.com> Mon, 15 Jun 2026 08:59:57 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=23806 Optical interfaces for coarse wavelength division multiplexing applications Editor(s): Yoshinori YAMAMOTO <yamamoto-yoshinori@sei.co.jp> Fri, 12 Jun 2026 12:51:09 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=23802 Characteristics of a cut-off shifted single-mode optical fibre and cable Editor(s): Marcus BRUNNER <marcus.brunner@huawei.com>; David FILIP; ISO/IEC JTC 1/SC 42 - SECRETARIAT <info@ansi.org>; Jialiang JIN <jinjial6@chinatelecom.cn> Wed, 03 Jun 2026 16:20:08 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=23798 Network characteristics and use cases for the 10Gbps broadband era Editor(s): Shikui SHEN <shensk@chinaunicom.cn> Thu, 28 May 2026 13:23:16 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=24024 Characteristics of multi-degree reconfigurable optical add/drop multiplexers Editor(s): Rainer CLEMENS; Sebastien GAREAU <sgareau@ciena.com> Fri, 22 May 2026 11:43:43 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=21590 Flexible OTN B400G long reach interfaces Editor(s): Sebastien GAREAU <sgareau@ciena.com> Fri, 22 May 2026 11:39:31 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=22338 Flexible OTN common elements Editor(s): Xi DU <duxi@fiberhome.com>; Francois MAURICE <francois.maurice@nokia.com> Fri, 27 Mar 2026 13:45:17 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=23831 Lightweight PTP profile for phase/time synchronization in full timing support networks Editor(s): Lee COSART <lee.cosart@microchip.com>; Makoto MURAKAMI <makoto.murakami.ty@hco.ntt.co.jp> Fri, 27 Mar 2026 13:44:16 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=21610 ITU-T technical report GSTR-OCN, "Optical clocks and their networking" Editor(s): Liuyan HAN <hanliuyan@chinamobile.com>; Bin LUO <luo.bin5@zte.com.cn> Fri, 27 Mar 2026 13:43:46 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=22348 Synchronization Layer Functions for packet-based networks - Amendment 1 Editor(s): Fri, 27 Mar 2026 13:43:16 GMT http://www.itu.int/itu-t/workprog/wp_item.aspx?isn=23821 Synchronization layer functions for frequency synchronization based on the physical layer - Amendment 1