资料介绍
GSM 协议栈设计结构
GSM 协议栈设计结构
Architecture of GSM
[pic]
CC
1 Summary
In GSM protocol, both SS protocol and CC protocol are sub-protocol of CM
protocol. The CC entity uses box to communicate with API, MM and RR. Each
CC entity shall communicate with the correspondent peer entity using its
own MM connection.
[pic]
2 Object Model Diagram
In CC module, different CC context needs interwork with others, so all CC
context are organized in a queue. Every CC context will manage a call.
[pic]
3 Objects Description
The functions of CC entity as following:
Call establishment procedures;
Call clearing procedures;
Call information phase procedures;
Miscellaneous procedures.
DTMF manage;
User notification;
In call Modify manage;
CRSS function manage.
4 CC State Chart
[pic]
|FSM |C
我要上传