Release v1.6.2 on 2023-05-26.

1. dac855e USSD: add special 'idle' handler to IUSE for testing by Vadim Yanitskiy · 3 years, 7 months ago
2. 6cfef3a doc/manuals: re-organize description of internal USSD handlers by Vadim Yanitskiy · 3 years, 7 months ago
3. 66f0b5f doc/manuals: fix s/There/The/ in 'USSD Configuration' by Vadim Yanitskiy · 3 years, 7 months ago
4. b41394a hlr: Add chapter on USSD configuration by Harald Welte · 6 years ago