Dont know, post it in bug report or not… Maybe someone can find this useful.
Wip plugin 18.104.22.1680
GPRS session very unstable with latest SIM cards of my local GSM operator - disconnects after short time (couple of seconds - some minutes). Old sims works fine.
The reason- applications (like services menus), integrated into latest SIM cards by operator. With toolkit enbled (AT+STSF=1) problem disappeared (workaround) and external application receives +STIN: etc indications, and with disabled (AT+STSF=0) problem is here again.
If I understand correctly, this should not happen with disabled sim toolkit. Correct me if I’m wrong.