China Unicom Java security domains
In general China Unicom has retricted many capabilities for untrusted 3rd party applications, including
- Network connections
- Local connectivity
- PIM access (read and edit)
- UniJa 3D Graphics
- UniJa Standby Mode
Also there is no trusted 3rd party domain. One has to sign the MIDlet with a certificate from China Unicom.
There is also a China Unicom testing certificate available, which are valid for 21 days. It is required to apply again when the 21 is exceeded.
The following page summarizes the API access rights for untrusted 3rd party domain as well as the China Unicom operator domain: