| LS | Title | From | To | Approval date |
| SG13-LS130 | LS/r on performance and availability objectives and requirements for fixed wireless systems, including packet-based systems (reply to ITU-R 5C/TEMP/216) | SG13 | ITU-R WP 5C; | 2015-12-11 |
| ITU-R WP 5C-5C/TEMP/216 | LS/r on performance and availability objectives and requirements for fixed wireless systems, including packet-based systems (reply to SG12-LS080, SG13-LS101 and SG15-LS242) | ITU-R WP 5C | SG12; SG13; SG15; | 2015-08-26 |
| SG15-LS242 | LS/r on development of draft new Question ITU-R [Perform]/5, "Performance and availability objectives and requirements for fixed wireless systems, including packet-based systems" (reply to ITU-R WP5C/TEMP/187) | SG15 | ITU-R WP 5C; | 2015-07-03 |
| SG12-LS80 | LS on development of Draft new Question ITU-R [Perform]/5, "Performance and availability objectives and requirements for fixed wireless systems, including packet-based systems" [to ITU-R WP 5C] | SG12 | ITU-R WP 5C; | 2015-05-14 |
| SG13-LS101 | LS/r on new Question “Performance and availability objectives and requirements for fixed wireless systems, including packet-based systems” [to ITU-R WP 5C] | SG13 | ITU-R WP 5C; | 2015-05-01 |
| ITU-R WP 5C-5C/TEMP/187 | LS on development of Draft new Question ITU-R [Perform]/5, "Performance and availability objectives and requirements for fixed wireless systems, including packet-based systems" | ITU-R WP 5C | SG13; SG12; SG15; | 2014-12-09 |
