Document :

ITU-T SG 20  (Study Period 2017)  Temporary Document  2121-GEN

Title :

LS/i on progress of ongoing work item ITU-T TR-USSD [from ITU-T SG11]

Date :

2021-04-09

Source :

ITU-T Study Group 11

AI/Question :

Q4/20, Q6/20

Access :

Restricted to TIES users [ITU-T]