LS | Title | From | To | Approval date |
SG17-LS192 | LS/r on technologies involved in countering voice spam in telecommunication organizations (reply to 3GPP SA3) | SG17 | 3GPP TSG SA3; | 2015-04-17 |
3GPP TSG SA3-S3-142564 | Reply to LS on technologies involved in countering voice spam in telecommunication organizations | 3GPP TSG SA3 | SG17; | 2014-11-21 |
SG17-LS147 | LS on technologies involved in countering voice spam in telecommunication organizations | SG17 | 3GPP TSG SA3; | 2014-09-26 |