Cisco ASR 5000 Series - Page 182

ASN Gateway Overview
▀ ASN Call Procedure Flows
▄ Cisco ASR 5000 Series Product Overview
OL-22938-02
Figure 48. Intra-ASN Gateway Uncontrolled Handover Call Flow
Serving
ASN BS
Anchor
ASN-GW
MS/SS
DATA
2
4
5
6
1
3
7
8
9
10
11
12
13
14
15
Target
ASN BS
Table 33. Intra-ASN Gateway Uncontrolled Handover Call Flow Description
Step
Description
1
MS sends RNG-REQ message to target ASN BS.
2
Target ASN BS sends Context-Request message to anchor ASN Gateway for this MS.
3
Anchor ASN Gateway forwards Context-Request message to serving ASN BS.