+ver 0.39:
+ Fix issue with not handling empty EFecc properly.
+ Fix issue with string length and DTMF handling.
+ Fix issue with missing info for terminal busy result.
+ Fix issue with signal strength handling and IFX modem.
+ Fix handling of SIM Toolkit enabling and IFX modem.
+ Add support for packet switched bearer notifications.
+ Add support for handling called line identification.
+ Add support for PIN retry counter interface.
+ Add support for ST-Ericsson modem init daemon.
+ Add support for Cinterion TC65 modem.
+ Add support for simple ISI client interface.
+
ver 0.38:
Change CalledLine* to ConnectedLine* properties.
Fix issue with calling presentation property.