Cisco ASR 5000 series Product Overview page 197

ASN Gateway Overview
Figure 56.
MS/SS
Table 40. Uncontrolled Inter-ASN Gateway Handover Procedure Description
Step Description
1 MS sends RNG-REQ message to target ASN BS.
2 Target ASN BS sends Context-Request message to serving ASN BS.
3 Serving ASN BS sends Context-Report message with MS context information to target ASN BS.
4 Target ASN BS sends Context-Request message to target non-anchor ASN Gateway.
5 Target non-anchor ASN Gateway forwards Context-Request message to anchor ASN Gateway.
6 Anchor ASN Gateway sends Context-Report message with MS context information to target non-anchor ASN Gateway.
OL-22938-02
Uncontrolled Inter-ASN Gateway Handover Procedure
Serving
ASN BS
DATA
1
12
17
18
Anchor Target
ASN-GW
ASN BS
2
3
15
16
ASN Call Procedure Flows ▀
Non-Anchor
Target ASN -GW
4
5
6
7
8
9
10
11
13
14
16
Cisco ASR 5000 Series Product Overview ▄