External Docs
Description: 3GPP TS 29.540 V15.3.0; 5G System; SMS Services; Stage 3
URL: 'http://www.3gpp.org/ftp/Specs/archive/29_series/29.540/'
Description: 3GPP TS 29.540 V15.3.0; 5G System; SMS Services; Stage 3
URL: 'http://www.3gpp.org/ftp/Specs/archive/29_series/29.540/'