Cisco Cisco Packet Data Gateway (PDG) Nota Di Rilascio
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P-GW Changes in Release 15.0
P-GW Enhancements for September 30, 2013 ▀
Cisco ASR 5x00 Release Change Reference ▄
411
Previous Behavior: Currently, IMSA does the P-CSCF discovery whether or not UE has requested the P-CSCF
address in the PCO of CPC/CSR.
address in the PCO of CPC/CSR.
New Behavior: IMSA now selects the P-CSCF address only if it is requested from the UE. SM forwards the request to
IMSA so that IMSA can select the IPv6 P-CSCF address based on this request.
IMSA so that IMSA can select the IPv6 P-CSCF address based on this request.
SM Support for Preventing Usage Bucket Loss When PCRF is Unreachable
This fuctionality is now supported.
Added SM supportttf for this feature.
SM Support for Sponsor Identity
Confirmed support of newAVPs Sponsor-Identity and Application-Service-Provider-Identity.
SM Support for SP WiFi - P-GW Coupled Web Authentication
Enhanced P-GW capability to support web authentication via Gx interface. Capability includes :
Enhanced Gx definition to support the signalling of an authentic user ID (NAI or MSISDN) over the Gx/RAR.
The ability to account separately for usage prior to successful web and post web authentication.
The ability to include the authenticated user identity in charging records.
SP WiFi - P-GW MAG Scalability
Confirmed that P-GW supports one million MAGs.
SRVCC PS-to-CS Handover Indication Support
This feature helps in notifying the PCRF about the exact reason for PCC rule deactivation on Voice bearer deletion.
This exact cause will help PCRF to then take further action appropriately.
This exact cause will help PCRF to then take further action appropriately.
Previous Behavior:
1. Support of voice bearer flag in BearerFlags IE was not present in Delete Bearer Cmd initiated by MME.
2. Support of new Rule Failure Code PS_TO_CS_HANDOVER in Charging Rule Report was not present.
2. Support of new Rule Failure Code PS_TO_CS_HANDOVER in Charging Rule Report was not present.
New Behavior: This feature ensures complete compliance for SRVCC, including support for PS-to-CS handover
indication when voice bearers are released. The support for SRVCC feature was first added in StarOS Release 12.2.
indication when voice bearers are released. The support for SRVCC feature was first added in StarOS Release 12.2.
SRVCC service for LTE comes into the picture when a single radio User Equipment (UE) accessing IMS-anchored
voice call services switches from the LTE network to the Circuit Switched domain while it is able to transmit or receive
on only one of these access networks at a given time. This removes the need for a UE to have multiple Radio Access
Technology (RAT) capability.
voice call services switches from the LTE network to the Circuit Switched domain while it is able to transmit or receive
on only one of these access networks at a given time. This removes the need for a UE to have multiple Radio Access
Technology (RAT) capability.
1. After handing over the PS sessions to the target, the source MME shall remove the voice bearers by deactivating
the voice bearer(s) towards S-GW/P-GW and setting the VB (Voice Bearer) flag of Bearer Flags IE in the
Delete Bearer Command message (TS 29.274 v9.5.0).
Delete Bearer Command message (TS 29.274 v9.5.0).
2. If the IP-CAN bearer termination is caused by the PS to CS handover, the PCEF may report related PCC rules
for this IP-CAN bearer by including the Rule-Failure-Code AVP set to the value PS_TO_CS_HANDOVER
(TS 29.212 v10.2.0 and TS 23.203 v10.3.0).
(TS 29.212 v10.2.0 and TS 23.203 v10.3.0).
Support for new AVP PS-to-CS-Session-Continuity (added in 3GPP Release 11) inside Charging Rule Install, which
indicates if the bearer is selected for PS to CS continuity is not added.
indicates if the bearer is selected for PS to CS continuity is not added.
Support “show subs full peer-address <>” for eHRPD calls in P-GW