ASN Gateway Overview
▀ ASN Call Procedure Flows
▄ Cisco ASR 5000 Series Product Overview
OL-22938-02
Step
Description
8
Target non-anchor ASN Gateway forwards the Path Pre-Registration Request message to the anchor ASN Gateway. Pre-
registration is optional.
9
Anchor ASN Gateway sends a Path Pre-Registration Response message to the target non-anchor ANS GW. Pre-registration
is optional.
10
Target non-anchor ASN Gateway forwards the Path Pre-Registration Response message to the target ASN BS. Pre-
registration is optional.
11
Target ASN BS sends a Path Pre-Registration Acknowledge message to the target non-anchor ASN Gateway. Pre-
registration is optional.
12
Target non-anchor ASN Gateway forwards the Path Pre-Registration Acknowledge message to the anchor ASN Gateway.
Pre-registration is optional.
13
Target BS sends a Handover Response message to the serving BS.
14
Serving BS sends a MOB_BSHO-RSP message to the MS.
15
Serving BS sends a Handover Acknowledge message to the target BS.
Action Phase
The following figure and table provides a high-level view of the steps involved during the action phase of a controlled
inter-ASN Gateway handover of an SS/MS from an anchored gateway to a non-anchored gateway.
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