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承接上文

目录

6. PDN Connectivity

7. PDN Disconnection

8. EPS Bearer resource allocation

9. EPS Bearer resource modify

10. EPS Bearer Context deactivation

11. EPS Bearer Context Modification

12. Dedicated EPS bearer context activation 

13. X2 handover (23.401 5.5.1)

 13.1 X2 handover without Serving GW relocation

 13.2 X2 handover with Serving GW relocation

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6. PDN Connectivity

 

信令	接口	可选	字段	可选	注释
PDN Connectivity request	S1-MME	M	EPS bearer identity	M
			PDN Type	M
			APN	O	Access Point Name
Create Session Request	S11	M	IMSI	C
			MEI	C
			MSISDN	C
Create Session  Response	S11	M	cause
Bearer Setup Request/PDN Connectivity accept
Bearer Setup Response
PDN Connectivity Complete
Modify Bearer Request	S11	M	MEI	C
\			Serving Network	CO
						Modify Bearer Response	S11	M	Cause

 

7. PDN Disconnection

 

信令	接口	可选	字段	可选	注释
PDN Disconnection Request	S1-MME	M	Linked EPS bearer identity	M
Delete Session Request	S11	Cause
		Linked EPS Bearer ID (LBI)
Delete Session Response	S11
Deactivate Bearer Request	S1-MME
Deactivate Bearer Response	S1-MME
Deactivate EPS Bearer Context Accept	S1-MME

 

8. EPS Bearer resource allocation

 

9. EPS Bearer resource modify

10. EPS Bearer Context deactivation

 

11. EPS Bearer Context Modification

12. Dedicated EPS bearer context activation 

13. X2 handover (23.401 5.5.1)

 13.1 X2 handover without Serving GW relocation

 13.2 X2 handover with Serving GW relocation