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Product Overview – SS7 technology. Agenda. Overview SS7 Boards and SIUs Digital Signaling Converter SG430 SIGTRAN Gateway. Objectives. To help you understand the different products and levels of integration To help you understand the product capabilities. Connecting to SS7.

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agenda
Agenda
  • Overview
  • SS7 Boards and SIUs
  • Digital Signaling Converter
  • SG430 SIGTRAN Gateway
objectives
Objectives
  • To help you understand the different products and levels of integration
  • To help you understand the product capabilities
connecting to ss7
Connecting to SS7

Existing ISDNequipment

IP equipmentor network

Custom

application

SS7 Boards

and SIUs

DSC

SIGTRAN

Signalling

Gateway

SS7 Network #2

SS7 Network #1

boards and sius
Boards and SIUs
  • Require a developer to write an application program
  • SS7 components are scaleable; from small (single PC card) to large (4096/16384 circuit SS7 server) systems.
  • The same Application Programming Interface (API) is used for the complete range
ss7 protocol support
SS7 Protocol support

Full ITU-T and ANSIMTP1, 2, 3ISUPSCCPTCAPINAPGSM-MAPIS41 (ANSI-41)TUP

Other national variants:NUP (UK-TUP)SSUTR-2 (France)Japanese ISUPChina TUP

pccs6 isa
PCCS6 (ISA)
  • Dual PCM port (E1/T1) SS7 interface card for ISA systems.
  • Dual V.35 compatible option.
  • 3 SS7 links
  • Up to 16 cards may be installed in a single chassis.
  • SCbus PCM highway.
  • Protocol contained firmware downloaded at run-time.
isa options
ISA options

Interface ports, either

  • 2 E1 BNC 75 (unbalanced)

OR

  • 2 E1/T1 RJ45 120/100  (balanced) with optional V.35 compatible ports.

Software

  • All protocol software may run within the SS7 card (for example ISUP or TUP or UK-TUP to control up to 1024 circuits).
  • For large multi-card systems higher protocol layers may run on the application processor.
  • Windows, Linux
cpm8 octal span
CPM8 (Octal span)
  • 6U Compact PCI
  • Rear transition, 8 E1 or T1 (software programmable), 4 x V.11 (V.35 compatible)
  • Full hot swap in accordance with PICMG standards
  • H.110 interface
  • 4 SS7 links
  • Win NT, Linux
pci4 pci2s
PCI4, PCI2S
  • Full length PCI
  • 4 E1 or T1 (software programmable),2 V.11 (V.35 compatible)
  • H.100 interface
  • 4 SS7 links
  • Win NT, Linux
fault resilience
Fault resilience
  • AIM : To eliminate single points of failure.
  • There are many ways that redundancy can be introduced into a system
  • More than one link in a link set - fault resilience is handled automatically by the MTP3 layer.
  • Multiple network connections (E1, T1 or V.35).
  • Multiple cards in a single chassis.
  • More than one route to a destination (use of STPs in the network to provide alternate routes)
  • Distributed architecture (may also be due to processor bandwidth) both for the application and the SS7 ‘front end’.
redundancy
Redundancy
  • Redundancy within a single card.

Load sharing between links (which would normally be on different ports) is automatic (managed by MTP3).

redundancy 2
Redundancy (2)
  • Redundancy between two cards

Handled automatically, MTP3 and above must run on the host processor

distributed system
Distributed system

Why?VOIP, heavy DSP processing demand, solution: distribute channels between platforms

with ss7
With SS7…….

Problem!How is the SS7 information relayed from Application platform 1 to the others?

slide20
SIU

Problem! How to eliminate single points of failure?

siu key features
SIU key features
  • Gives an SS7 interface to a multi-chassis application via a TCP/IP LAN.
  • Runs MTP, ISUP, NUP, TUP, SCCP, TCAP, MAP, INAP (CS1) and IS-41 locally.
  • Distributes the signalling data depending on CIC, point code (ISUP and TUP), transaction (TCAP).
  • Software is provided for the communication between the application program and SIU.
  • Two units can operate in a resilient configuration linked by SS7 and the Ethernet.
sius ss7 servers

SIU231 (4U)24 x E1/T1/V.3532xSS7 links8xLink sets

SIU520 (2U)6 x E1/T1/V.3512xSS7 links12xLink sets

SIU131 (2U)4 x E1/T1/V.356xSS7 links6xLink sets

SIUs (SS7 Servers)
siu520 platform
SIU520 platform
  • NEBS certified 2U Intel® Chassis
  • Dual 1.2GHz Intel® Pentium ® III
  • Dual redundant AC or DC power
how does the application talk to the siu
How does the application talk to the SIU?
  • Through a driver provided by Intel
  • IP/Ethernet is transparent
  • Same code development/API as SS7 cards
protocol architecture spa
Protocol Architecture (SPA)
  • Each protocol ‘layer’ (e.g. MTP LEVEL2, MTP LEVEL 3, USER PART, etc.) and the user application runs as a individual task.
  • Tasks run on an SS7 line card, SIU or on the same processor and memory as the application.
  • All tasks have a well defined interface and communicate using messages. (standard structures defined in C).
  • Communication is achieved using messages Each task has a single input queue through which it receives messages from other tasks.
  • Each task is identified with a unique 8 bit ‘module_id’ similar to (but not the same as!) a Unix process id (pid)
slide29
APIs
  • GlobalCall available for ISUP and TUP
  • Direct SS7 protocol Interface for other layers – message based.
globalcall for ss7
GlobalCall for SS7

GlobalCall API available for ISUP and TUP, started in SR 5.01 (Windows)

Windows 5.1.1 (now supports TUP)

Supports SS7 - ISA, PCI, CompactPCI, SIU, Dual resilient SIU, Multiple host, TUP and ISUP

Linux 5.1

No GC/SS7 support

Engineering version working (contact luc.provoost@intel.com)

introduction to the dsc digital signaling converter
Introduction to the DSC

(Digital Signaling Converter)

the digital signalling converter
The Digital Signalling Converter

Existing ISDNequipment

DSC210

DSC110

DSC310

SS7 Network #2

SS7 Network #1

dscx10 functions
DSCx10 functions

Signalling Converter

SS7 protocols (including ANSI, ITU-T, China No 7, Japan)

Access Protocols (including Q.931, QSIG, DPNSS)

Convert any protocol to any other

All protocols at the same time!

Intelligent Switch

Routing based on the dialled number

Prefixing/deleting of routing digits

Conversion to en-bloc signalling from overlap

Automatic retry and re-route

Configurable circuit selection (hunting)

parameter manipulation
Parameter Manipulation

The DSC210 can manipulate many of the parameters used by signalling systems e.g.:-

  • Calling Numbers
  • Called Numbers
  • Clearing Cause
  • Calling Party Category
  • Charging Indication
  • Echo Cancellors
  • Continuity Check
  • ISDN Service Level
  • Others
remote data centre

Remote billing,

statistics

IP connection

(Ethernet)

DSC310

Remote Data Centre
  • Remote Data Centre (via IP) - is a software package

Billing records

Call failure records

Traffic measurements

Remote software and configuration upgrade

User defined clearing cause tables

number translation
Number Translation

= a range of fully integrated (on box) number translation capabilities (uploaded from Remote Data Centre).

Number translation

Number portability

Calling party number validation white list

Calling party number validation black list

intelligent service control

Remote call

modification/

handling

DSC310

IP connection

(Ethernet)

Intelligent Service Control

Intelligent service control = low cost intelligent networking type services running over TCP/IP.

Off the Shelf solutions

Advanced routing, Number translation, Number portability,

White list / black list calling party number translation

Open Interface Solutions

MAP / INAP transactions, Pre-paid, Follow me

slide46
OAMP
  • Configuration
    • using text command based interface, e.g.
      • CNPCI:PCM=5-1,PCMTYPE=E1,SYNCPRI=1;
    • over 2 serial or 2 Telnet ports
  • Alarms
    • Alarm log
    • Alarm relays (Urgent and Prompt)
    • Front Panel Alarms
    • Remote reporting of alarms to a remote data centre
  • SNMP
    • for alarm and event reporting - coming soon!
overview
Overview
  • 2U M3UA SS7 to IP gateway to carry SS7 traffic across IP networks
  • Allows SS7 traffic to be terminated by an IP client ‘backhaul’ mode
  • Allows SS7 traffic to be carried between gateways ‘longhaul’ mode
  • Includes software protocols for terminating application
longhaul

SS7

SS7

Sigtran

Sigtran

Longhaul
signaling i o ports

Packet

Network

SS7

Network

6 soft programmable E1/T1

6 V.35 compatible ports

2 x 10/100Ethernet

Signaling I/O ports
software features
Software Features
  • Signalling Gateway
    • Embedded Linux
    • MTP1-3, ITU-T, ETSI, ANSI, Belcore.
    • SIGTRAN SCTP and M3UA (SUA planned)
  • ASP Host package (binary software)
    • Win2000/NT, Linux
    • Range of SS7 user parts
      • ISUP, TUP, SCCP, TCAP, GSM-MAP, IS41-MAP, INAP.
      • Many variants, inc. ANSI, ITU, ETSI
    • SIGTRAN SCTP and M3UA
slide54
OAMP
  • Configuration access via Telnet MMI
  • Remote FTP access for download / upload of software, configuration and data (I.e statistics).
  • Alarms (Both system and signalling related) reported by:
    • SNMP MIB
    • Relays (rear I/O connector)
    • Front panel indicators
mml example
MML - example

>CNPCI:PCM=5-1,PCMTYPE=E1,SYNCPRI=1;

EXECUTED

>

>CNPCP;

PCM Configuration

PCM PCMTYPE LC FF SYNCPRI

5-2 E1 HDB3 G704 6

7-2 E1 HDB3 G704 1

8-1 T1 B8ZS SF 2

EXECUTED

>

summary
Summary
  • SS7 boards and SIUs – API access for developers
  • DSC – protocol conversion
  • SG430 – SS7 and IP interworking