Для скорости USART 38400 требуется 6 - 8 попыток для установления соединения. Каждая попытка выполняется через 20 сек, т.о. на установление соединения требуется порядка 2-3 мин.
17.2 Quality of Service Profile (Requested) +CGQREQ
17.2.1 Description
This command allows the TE to specify a Quality of Service Profile that is u
sends an Activate PDP Context Request message to the network.
The set command specifies a profile for the context identified by the local con
parameter, <cid>. Since this is the same parameter that is used in the +CGDC
the +CGQREQ command is effectively an extension to the +CGDCONT com
profile consists of a number of parameters, each of which may be set to a separ
A special form of the set command, +CGQREQ= <cid> causes the reques
context number <cid> to become undefined.
The read command returns the current settings for each defined context. T
returns values supported as a compound value. If the MT supports severa
parameter value ranges for each PDP type are returned on a separate line.
Может через это что-то получится?