Where is the definition of the bluetooth service?

Question

I use my Blackberry to query the target phone(HTC Hero). It said the HTC has below bluetooth service: Voice Gateway, Unknown, BTIPS_2.22_Android_AVRCP_target OPP Server

After I run my own app, the service list change to: Voice Gateway, Unknown, BTIPS_2.22_Android_AVRCP_target OPP Server Generic Service

I open an listening server socket with UUID=00001105-0000-1000-8000-00805F9B34FB in my app. What does this "Generic Service" mean? I want to replace the OPP Server part. And handle the file receive indications. What should I do?