Cisco ASR 5000 series Product Overview page 194

▀ ASN Call Procedure Flows
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.
▄ Cisco ASR 5000 Series Product Overview
ASN Gateway Overview
OL-22938-02