> For the complete documentation index, see [llms.txt](https://prosbcdocs.telcobridges.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://prosbcdocs.telcobridges.com/telecom-references/ss7-and-signalling/ss7.md).

# SS7

| ![Page Under Construction](https://docs.telcobridges.com/w/images/b/b2/Page-Under-Construction.jpg) | ![Page Under Construction](https://docs.telcobridges.com/w/images/b/b2/Page-Under-Construction.jpg) | ![Page Under Construction](https://docs.telcobridges.com/w/images/b/b2/Page-Under-Construction.jpg) |
| --------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------- |

The following is taken from the SS7 User's Guide of September 2008. Not all content has been ported to the wiki, specifically elements that deal with Toolpack API need to be revised before they can be ported. In some cases, some of the links below point to articles that were already on the wiki. For example, as part of the Web Portal Tutorial Guide. In this case, we have merged articles from both sources to the best of our ability.

Where practical, we have also provided links to articles from the SS7 User's guide in the form of 'related actions' or 'references' that can be found at the bottom of various topical pages, such as those found in the 'glossary' available via the left-hand navigation bar on each wiki page.

***

#### MTP2

* [Overview](/telecom-references/ss7-and-signalling/mtp2.md)
  * [Architecture](/telecom-references/ss7-and-signalling/mtp2/mtp2-architecture.md)
    * [Priorities](/telecom-references/ss7-and-signalling/mtp2/mtp2-architecture.md#priorities)
    * [Flow Control](/telecom-references/ss7-and-signalling/mtp2/mtp2-architecture.md#flow-control)
  * [Specification](/telecom-references/ss7-and-signalling/mtp2/mtp2-specification.md)
    * [Variants](/telecom-references/ss7-and-signalling/mtp2/mtp2-specification.md#variants)
* [MTP2 Configuration](https://prosbcdocs.telcobridges.com/tmedia-documentation/configuration/web-portal-3-3)
  * [Advanced parameters](/telecom-references/ss7-and-signalling/mtp2/mtp2-advanced-parameters.md)
* [MTP2 States](/telecom-references/ss7-and-signalling/mtp2/mtp2-states.md)
* [Statistics](/telecom-references/ss7-and-signalling/mtp2/mtp2-statistics.md)

#### MTP3

* [Overview](/telecom-references/ss7-and-signalling/mtp3.md)
  * [Architecture](/telecom-references/ss7-and-signalling/mtp3/mtp3-architecture.md) (PAGE CONTENT IS INCOMPLETE; NEED TO REVISE GRAPHICS)
    * [Addressing](/telecom-references/ss7-and-signalling/mtp3/mtp3-addressing.md)
      * [Signaling Points](/telecom-references/ss7-and-signalling/mtp3/mtp3-addressing.md#signaling-points)
    * [Routing](/telecom-references/ss7-and-signalling/mtp3/mtp3-routing.md)
    * [Flow Control](/telecom-references/ss7-and-signalling/mtp3/mtp3-flow-control.md)
    * [Multiple OPC Capability](/telecom-references/ss7-and-signalling/mtp3/multiple-opc-capability.md)
  * [Specification](/telecom-references/ss7-and-signalling/mtp3/mtp3-specification.md)
* MTP3 Configuration
  * [Configuration of layer](/telecom-references/ss7-and-signalling/mtp3/mtp3-configuration-of-layer.md)
    * [General Configuration](/telecom-references/ss7-and-signalling/mtp3/mtp3-general-configuration.md)
    * [Userpart Configuration](/telecom-references/ss7-and-signalling/mtp3/mtp3-userpart-configuration.md)
    * Linkset Configuration
    * [Link Configuration](/telecom-references/ss7-and-signalling/mtp3/link-configuration.md)
    * Route Configuration
    * Timers
  * [Link Alarms](/telecom-references/ss7-and-signalling/mtp3/link-alarms.md)
  * [Linkset Alarms](/telecom-references/ss7-and-signalling/mtp3/linkset-alarms.md)
  * [Route Alarms](/telecom-references/ss7-and-signalling/mtp3/route-alarms.md)
* [MTP3 States](/telecom-references/ss7-and-signalling/mtp3/mtp3-states.md) (SHOULD PROBABLY GET SCREENSHOTS LIKE FOR MTP2)
  * [Link States](/telecom-references/ss7-and-signalling/mtp3/mtp3-states.md#link-states)
  * [Linkset States](/telecom-references/ss7-and-signalling/mtp3/mtp3-states.md#linkset-states)
  * [Route States](/telecom-references/ss7-and-signalling/mtp3/mtp3-states.md#route-states)
* [MTP3 Statistics](/telecom-references/ss7-and-signalling/mtp3/mtp3-statistics.md)
  * [Link Statistics](/telecom-references/ss7-and-signalling/mtp3/link-statistics.md)
  * [Route Linkset Statistics](/telecom-references/ss7-and-signalling/mtp3/route-linkset-statistics.md)
  * [Route Statistics](/telecom-references/ss7-and-signalling/mtp3/mtp3-route-statistics.md)

#### ISUP

* [Overview](/telecom-references/ss7-and-signalling/isup.md) (NEED TO FIND A HOME FOR ALL OF THE HISTORY AT BEGINNING OF SECTION]]
  * ISUP summary
  * Architecture
  * Configuration sequence
  * [Specification](/telecom-references/ss7-and-signalling/isup/isup-specification.md)
* ISUP Configuration
  * Layout of the ISUP network
  * [Configuration of layer](/telecom-references/ss7-and-signalling/ss7/configuration-of-layer.md)
    * General configuration
    * Network
    * Userpart
    * Interface
    * [Circuits](https://prosbcdocs.telcobridges.com/tmedia-documentation/other-pages/protocol-stacks-ss7/create-an-isup-circuit) (need to clean up; also, what is the equivalent section in the Web portal tutorial guide?)
* ISUP Signaling
  * [Host application requirements](/telecom-references/ss7-and-signalling/isup/host-application-requirements.md)
    * [General guidelines for designing an efficient call control application using ISUP](/telecom-references/ss7-and-signalling/isup/general-guidelines-for-designing-an-efficient-call-control-application-using-isup.md)
    * [General guidelines for designing highly redundant application (blade failure)](/telecom-references/ss7-and-signalling/isup/general-guidelines-for-designing-highly-redundant-application-blade-failure.md)
    * [General guidelines for designing a high-performance system](/telecom-references/ss7-and-signalling/isup/general-guidelines-for-designing-a-high-performance-system.md)
    * [General guidelines to achieve highly redundant high-performance system (host failure)](/telecom-references/ss7-and-signalling/isup/general-guidelines-to-achieve-highly-redundant-high-performance-system-host-failure.md)
  * [Information element usage](/telecom-references/ss7-and-signalling/isup/information-element-usage.md)
    * [IE inclusion in different messages](/telecom-references/ss7-and-signalling/isup/information-element-usage.md#ie-inclusion-in-different-messages)
  * ISUP functions and behaviours
    * [Blocking and unblocking](/telecom-references/ss7-and-signalling/isup/blocking-and-unblocking.md)
    * [Circuit group functions](/telecom-references/ss7-and-signalling/isup/circuit-group-functions.md)
    * [Flow control](/telecom-references/ss7-and-signalling/isup/isup-flow-control.md)
    * [Circuit continuity testing](/telecom-references/ss7-and-signalling/isup/circuit-continuity-testing.md) (VALIDATE THE CODING REFERENCES AS WELL AS WORD REFERENCES)
      * [Continuity testing within a call](/telecom-references/ss7-and-signalling/isup/circuit-continuity-testing.md#continuity-testing-within-a-call)
      * [Continuity testing outside a call](/telecom-references/ss7-and-signalling/isup/circuit-continuity-testing.md#continuity-testing-outside-a-call)

#### SCCP

* [Overview](/telecom-references/ss7-and-signalling/sccp.md)
  * [Architecture](/telecom-references/ss7-and-signalling/sccp/sccp-architecture.md) (NEED TO REVISE GRAPHIC)
    * [Connectionless Service](/telecom-references/ss7-and-signalling/sccp/connectionless-service.md)
    * [Management](/telecom-references/ss7-and-signalling/sccp/management.md)
    * [Addressing](/telecom-references/ss7-and-signalling/sccp/sccp-addressing.md)
      * [Global Title Translation Association](/telecom-references/ss7-and-signalling/sccp/global-title-translation-association.md)
    * [Routing](/telecom-references/ss7-and-signalling/sccp/sccp-routing.md)
    * [Traffic Limitation and Congestion Control](/telecom-references/ss7-and-signalling/sccp/traffic-limitation-and-congestion-control.md)
    * [Interworking](/telecom-references/ss7-and-signalling/sccp/interworking.md)
    * [Messages](/telecom-references/ss7-and-signalling/sccp/sccp-messages.md)
  * [Specification](/telecom-references/ss7-and-signalling/sccp/sccp-specification.md)
* [SCCP Configuration](/telecom-references/ss7-and-signalling/sccp/sccp-api-configuration.md)
  * [General Configuration](https://prosbcdocs.telcobridges.com/tmedia-documentation/other-pages/protocol-stacks-ss7/create-a-sccp-stack)
  * [Network Configuration](https://prosbcdocs.telcobridges.com/tmedia-documentation/other-pages/protocol-stacks-ss7/create-a-sccp-network)
  * [LSAP Configuration](https://prosbcdocs.telcobridges.com/tmedia-documentation/other-pages/protocol-stacks-ss7/create-an-sccp-lsap)
  * Route Configuration
  * [Userpart Configuration](https://prosbcdocs.telcobridges.com/tmedia-documentation/other-pages/protocol-stacks-ss7/create-a-sccp-userpart)
  * [GTT Association Configuration](/telecom-references/ss7-and-signalling/sccp/gtt-association-configuration.md)
  * [GTT Address Map Configuration](/telecom-references/ss7-and-signalling/sccp/gtt-address-map-configuration.md)
* [SCCP Alarms](/telecom-references/ss7-and-signalling/sccp/alarms.md)
  * [Error Performance Report](/telecom-references/ss7-and-signalling/sccp/error-performance-report.md)
* [SCCP States](/telecom-references/ss7-and-signalling/sccp/sccp-api-states.md)
  * [General States](/telecom-references/ss7-and-signalling/sccp/sccp-api-states.md#general-states)
  * [Route States](/telecom-references/ss7-and-signalling/sccp/sccp-api-states.md#route-states)
* [SCCP Statistics](/telecom-references/ss7-and-signalling/sccp/sccp-api-statistics.md)
  * [Userpart Statistics](/telecom-references/ss7-and-signalling/sccp/sccp-api-userpart-statistics.md)
  * [LSAP Statistics](/telecom-references/ss7-and-signalling/sccp/lsap-statistics.md)
  * [Route Statistics](/telecom-references/ss7-and-signalling/sccp/sccp-api-route-statistics.md)

#### TCAP

* [Overview](/telecom-references/ss7-and-signalling/tcap.md)
  * [Architecture](/telecom-references/ss7-and-signalling/tcap/tcap-architecture.md) (MISSING 2 IMAGES)
    * [Message](/telecom-references/ss7-and-signalling/tcap/message.md)
      * [Transaction portion](/telecom-references/ss7-and-signalling/tcap/message.md#transaction-portion)
      * [Dialogue portion](/telecom-references/ss7-and-signalling/tcap/message.md#dialogue-portion)
      * [Component portion](/telecom-references/ss7-and-signalling/tcap/message.md#component-portion)
  * [Specification](/telecom-references/ss7-and-signalling/tcap/tcap-specification.md)
* [TCAP Configuration](/telecom-references/ss7-and-signalling/tcap/tcap-tcap-configuration.md)
  * [General configuration](/telecom-references/ss7-and-signalling/tcap/tcap-general-configuration.md)
  * [Userpart configuration](/telecom-references/ss7-and-signalling/tcap/tcap-userpart-configuration.md)
* [TCAP Transaction](/telecom-references/ss7-and-signalling/tcap/transaction.md)
  * [Creating new transaction](https://prosbcdocs.telcobridges.com/tmedia-documentation/other-pages/other/creating-new-transaction)
  * [Adding component portion](https://prosbcdocs.telcobridges.com/tmedia-documentation/other-pages/other/adding-component-portion)
  * [Sending transaction and dialogue portions](/telecom-references/ss7-and-signalling/tcap/sending-transaction-and-dialogue-portions.md)
  * [Receiving component portion](/telecom-references/ss7-and-signalling/tcap/receiving-component-portion.md)
  * [Receiving transaction and dialogue portions](/telecom-references/ss7-and-signalling/tcap/receiving-transaction-and-dialogue-portions.md)
  * [Receiving transaction error indication](/telecom-references/ss7-and-signalling/tcap/receiving-transaction-error-indication.md)
* [TCAP Alarms](/telecom-references/ss7-and-signalling/tcap/tcap-alarms.md)
  * [Userpart alarm](/telecom-references/ss7-and-signalling/tcap/tcap-alarms.md#userpart-alarm)
* [TCAP States](/telecom-references/ss7-and-signalling/tcap/tcap-states.md)
* [TCAP Statistics](/telecom-references/ss7-and-signalling/tcap/tcap-statistics.md)
  * [Userpart statistics](/telecom-references/ss7-and-signalling/tcap/tcap-userpart-statistics.md)

***

### Caveat

The signaling information/code contained in this document/product is based on the best information we have available. Although it has been tested successfully with other piece of signaling equipment, we cannot guarantee that it will conform to the usage of any particular switch in the field.

## In this section

* [ANSI](/telecom-references/ss7-and-signalling/ss7/ansi.md)
* [BICC](/telecom-references/ss7-and-signalling/ss7/bicc.md)
* [Circuit identification code](/telecom-references/ss7-and-signalling/ss7/circuit-identification-code.md)
* [Configuration of layer](/telecom-references/ss7-and-signalling/ss7/configuration-of-layer.md)
* [Continuity Testing Call Flow (CCR/COT)](/telecom-references/ss7-and-signalling/ss7/continuity-testing-call-flow-ccr-cot.md)
* [DPC](/telecom-references/ss7-and-signalling/ss7/dpc.md)
* [ETSI](/telecom-references/ss7-and-signalling/ss7/etsi.md)
* [GTT](/telecom-references/ss7-and-signalling/ss7/gtt.md)
* [HSL](/telecom-references/ss7-and-signalling/ss7/hsl.md)
* [ITU](/telecom-references/ss7-and-signalling/ss7/itu.md)
* [LSAP](/telecom-references/ss7-and-signalling/ss7/lsap.md)
* [MTP1 Layer](/telecom-references/ss7-and-signalling/ss7/mtp1-layer.md)
* [OPC](/telecom-references/ss7-and-signalling/ss7/opc.md)
* [OSI model](/telecom-references/ss7-and-signalling/ss7/osi-model.md)
* [Outgoing Continuity Testing](/telecom-references/ss7-and-signalling/ss7/outgoing-continuity-testing.md)
* [QoS and DSCP tag protocols](/telecom-references/ss7-and-signalling/ss7/qos-and-dscp-tag-protocols.md)
* [SAP](/telecom-references/ss7-and-signalling/ss7/sap.md)
* [Short history of SS7](/telecom-references/ss7-and-signalling/ss7/short-history-of-ss7.md)
* [Signaling Interworking](/telecom-references/ss7-and-signalling/ss7/signaling-interworking.md)
* [Signaling Ports](/telecom-references/ss7-and-signalling/ss7/signaling-ports.md)
* [Signaling protocols](/telecom-references/ss7-and-signalling/ss7/signaling-protocols.md)
* [SLS](/telecom-references/ss7-and-signalling/ss7/sls.md)
* [SMS](/telecom-references/ss7-and-signalling/ss7/sms.md)
* [SP](/telecom-references/ss7-and-signalling/ss7/sp.md)
* [SPIROU](/telecom-references/ss7-and-signalling/ss7/spirou.md)
* [SS7 Backward Call Indicator](/telecom-references/ss7-and-signalling/ss7/ss7-backward-call-indicator.md)
* [SS7 Circuit group control](/telecom-references/ss7-and-signalling/ss7/ss7-circuit-group-control.md)
* [TTC](/telecom-references/ss7-and-signalling/ss7/ttc.md)


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