Signaling service processing platform



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Interface

Peer NE

Usage

Standard or Specification

Support Version

S6a/S6d

MME/SGSN <-> HSS

NOTE:
The Huawei products that provide the MME, SGSN, and HSS functionality are USN9810, SGSN9810, and HSS9860, respectively.

Used to deliver subscribers' subscription data and authentication vectors, and manage and update subscribers' location information.

3GPP TS 29.272 Mobility Management Entity (MME) and Serving GPRS Support Node (SGSN) Related Interfaces Based on Diameter Protocol

Release 8 to Release 12

Gx

GGSN/P-GW <-> PCRF


NOTE:
The Huawei products that provide the P-GW and PCRF functionality are UGW9811 and UPCC, respectively.

Used to deliver PCC rules.

  • 3GPP TS 23.203 Policy and Charging Control Architecture

  • 3GPP TS 29.212 Policy and Charging Control over Gx Reference Point

Release 8 to Release 12

Rx

AF/CSCF <-> PCRF


NOTE:
The Huawei product that provides the CSCF functionality is CSC3300.

Used to exchange application session information for the PCRF to determine QoS and charging policies.

  • 3GPP TS 23.203 Policy and Charging Control Architecture

  • 3GPP TS 29.214 Policy and Charging Control over Rx Reference Point

Release 8 to Release 12

S13/S13Bis

MME/SGSN <-> EIR


NOTE:
The Huawei product that provides the EIR functionality is UEIR.

Used by the MME/SGSN to query the EIR to determine whether an IMEI is legal.

3GPP TS 29.272 Mobility Management Entity (MME) and Serving GPRS Support Release 8 to Release 12Node (SGSN) Related Interfaces Based on Diameter Protocol

Release 8 to Release 12

Cx/Dx

IMS-HSS/SLF <-> CSCF


NOTE:
The Huawei product that provides the IMS-HSS/SLF functionality is HSS9860. (The HSS9860 can provide the SLF functionality by loading the SLF plug-in package.)

Used to transmit subscribers' location subscription data.

  • 3GPP TS 29.228 IP Multimedia (IM) Subsystem Cx and Dx Interfaces; Signaling Flows and Message Contents

  • 3GPP TS 29.229 Cx and Dx Interfaces Based on the Diameter Protocol; Protocol Details

Release 8 to Release 12

Sy

PCRF <-> OCS


NOTE:
The Huawei product that provides the OCS functionality is NGOCS.

Used to request the status of policy counters.

3GPP TS 29.219 Policy and charging control: Spending Limit Reporting over Sy Reference Point

Release 11

Sh/Dh

HSS/SLF <-> AS


NOTE:
The Huawei product that provides the AS and HSS/SLF functionality are ATS9900 and HSS9860, respectively. (The HSS9860 can provide the SLF functionality by loading the SLF plug-in package.)

Used to read, subscribe to, and update subscriber data.

  • 3GPP TS 29.328 IP Multimedia (IM) Subsystem Sh interface; Signaling Flows and Message Contents

  • 3GPP TS 29.329 Sh Interface Based on the Diameter Protocol; Protocol Details

  • Sh: Release 8 to Release 12

  • Dh: Release 8 to Release 12

Gz/Rf

AS/CSCF/P-GW <-> OFCS



Used to implement offline charging for sessions, where:

  • The Gz interface is used to transmit the charging information collected by the P-GW and the quota of the rating group indicated by the OFCS.

  • The Rf interface is used for interworking between the OFCS and AS/CSCF to implement offline credit control functions, including rating, quota control, and charging.

  • IETF RFC 4006 Diameter Credit-Control Application

  • 3GPP TS 32.225 Telecommunication Management; Charging Management; Charging Data Description for the IP multimedia subsystem (IMS)

  • 3GPP TS 32.240 Telecommunication Management; Charging Management; Charging Architecture and Principles

  • 3GPP TS 32.295 Telecommunication Management; Charging Management; Charging Data Record (CDR) Transfer

  • 3GPP TS 32.299 Diameter Charging Applications

Release 8 to Release 11

Gy/Ro

P-GW/AS/CSCF <-> OCS



Used to transmit online charging information.

  • IETF RFC 4006 Diameter Credit-Control Application

  • 3GPP TS 32.225 Telecommunication Management; Charging Management; Charging Data Description for the IP multimedia subsystem (IMS)

  • 3GPP TS 32.251 Telecommunication Management; Charging Management; Packet Switched (PS) Domain Charging

  • 3GPP TS 32.296 Telecommunication Management; Charging Management; Online Charging System (OCS): Applications and Interfaces

  • 3GPP TS 32.298 Telecommunication Management; Charging Management; Charging Data Record (CDR) Parameter Description

  • 3GPP TS 32.299 Diameter Charging Applications

Release 8 to Release 12

S9

V-PCRF <-> H-PCRF


NOTE:
The Huawei product that provides the H-PCRF/V-PCRF functionality is UPCC.

Used to transmit PCC and QoS policies during subscriber roaming.

  • 3GPP TS 23.203 Policy and Charging Control Architecture

  • 3GPP TS 29.215 Policy and Charging Control (PCC) over S9 reference point; Stage 3

Release 8 to Release 11

SLh

GMLC <-> SAE-HSS


NOTE:
The GMLC provides location services. Huawei does not have a product that provides the GMLC functionality. The Huawei product that provides the SAE-HSS functionality is HSS9860.

Used by the GMLC to request subscribers' routing information from the SAE-HSS.

-

Release 9 to Release 11

Zh

BSF/AP <-> IMS-HSS


NOTE:
The Huawei product that provides the BSF functionality is UIM.

Used by the UE to access the Generic Bootstrapping Architecture (GBA) authentication function of the AS.

-

Release 8 to Release 11

Gxx

PCRF <-> BBERF



  • Used by the PCRF to provide, update, or remove QoS rules.

  • Used by the BBERF to report communication plane events.

3GPP TS 23.203 Policy and Charging Control Architecture

Release 8 to Release 12

SLg

GMLC <-> MME



Used to implement the location estimate function.

-

Release 9 to Release 11

STa/SWa

HSGW <-> 3GPP AAA server/agent
NOTE:
The Huawei products that provide the AAA and HRPD Serving GateWay (HSGW) functionality are AAA and UGW9811, respectively.

Used to transmit access authentication and authorization parameters, mobility management parameters, and charging parameters.

-

Release 9 to Release 12

SWx

3GPP AAA server <-> SAE-HSS

Used to authenticate and authorize the UE and transmit PMIPv6-related parameters.

3GPP TS 23.402 Supports EAP-SIM, EAP-AKA and EAP-AKA'.

Release 9 to Release 11

S6b

3GPP AAA server <-> P-GW
NOTE:
The Huawei product that provides the P-GW functionality is UGW9811.

Used to obtain mobility-related authentication parameters, transmit mobility parameters, and provide static QoS information for UEs using non-3GPP access.

-

Release 9 to Release 11

Sp_bis

Interface between the PCRF and the subscription profile repository (SPR).


Used to implement the subscription notification function. (Only relay is supported and MSISDN-based routing is used.)

-

-

Customized interface

Interface between any NEs

Used to replace any specific interfaces to meet customer requirements on convenient, fast, and efficient interface addition.

-

-

SWm

3GPP AAA server <-> ePDG
NOTE:
The Huawei product that provides the ePDG functionality is UGW9811.

Used to authenticate VoWiFi subscribers.

  • 3GPP TS 23.402 Architecture enhancements for non-3GPP accesses

  • 3GPP TS 29.273 Evolved Packet System (EPS); 3GPP EPS AAA interface

-

Sd

PCRF <-> TDF
NOTE:
The Huawei product that provides the TDF functionality is GGSN9811.

Used to implement application detection ad policy control.

  • TS 29.212 V11.10.0

  • TS 29.213 V11.8.0

-

T6a/T6b

MME/SGSN <-> SCEF



Used to implement the subscription notification function.

3GPP TS 23.003 Numbering, addressing and identification

-

S6t

SCEF <-> HSS



Used to manage and update subscribers' location information.

3GPP TS 23.003 Numbering, addressing and identification

-

STP Protocol Interfaces


When being deployed as a signaling transfer point (STP), the SPS supports interworking using TDM 64 kbit/s and 56 kbit/s links, Q703 2 Mbit/s links (ANSI 1.5 Mbit/s links), and ATM 2 Mbit/s links. Similar to the legacy STP, the SPS is able to process and forward SS7 messages in the legacy networks. Figure 1 describes the STP protocol interfaces supported by the SPS.
Figure 1 STP protocol interfaces


GMSC: gateway mobile switching center

HLR: home location register

LSMS: local service management system

NPAC: number portability administration center

Network Time Protocol (NTP)

MSC: mobile switching center

SCP: service control point

SMSC: short message service center

U2000: unified mobile network management platform



The SPS can provide the following SS7-based flexible routing services:

  • NPDB: This service enables the SPS to use the LSMS to synchronize number portability (NP) subscriber data from the NPAC.

  • STP-SRF: This service enables the SPS to provide the NP signaling forwarding service by processing SIGTRAN messages.

  • SS7 message replication: This service enables the SPS to make a copy of messages that meet specified criteria and send the copy to a dedicated service platform through the standard SS7 interface. The original message routing is not affected during this process.

  • Flexible number routing (FNR): This service enables the SPS to support NP between different HLRs of the same carrier.

  • Short message routing (SMR): This service enables the SPS to route short messages for mobile subscribers.

  • IMEI Check: This service enables the SPS to provide the basic IMEI Check service for the MSC and gateway GPRS support node (GGSN).

Table 1 describes the functions and protocols of the STP interfaces.

Table 1 Functions and protocols of the STP interfaces


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