То есть выяснять опять все опытным путем?

МТ тоже молчат..
Ибо в документе 1.3 есть противоречие со стандартом GSM 07.10
Цитата(5.4.7 Power Control and Wake-up Mechanisms)
Either station may initiate a wake-up from the reduced power state by the transmission of the wake-up signal which
consists of continuous flag characters. When the other station receives the flag characters it will wake-up (if necessary)
and start sending flag characters. When the first station receives these flag characters it will stop sending flags and start
transmitting the first frame. When the second station detects a valid frame it stops sending flags. The stations unfreeze
their timers and continue operation as before.
If no response (continuous flags) is received to the wake-up procedure within time T3, an alarm should be raised to the
higher layers and transmission of flags stops.
А вот 1.6 более близок.
Не верю, что китайская ветка фирмваре более правильная, чем европейская.