Communication System
A Communication System is an external system or service registered in SAP BTP that a developer or administrator connects to for integration purposes. You can use the Communication Systems app to create and manage these systems, which serve as the technical counterpart when setting up communication arrangements. Together with communication users and arrangements, communication systems are part of the broader Communication Management toolset that allows you to integrate your system with external solutions.
Tutorials that teach this
- Tutorial Integrate SAP BTP, ABAP environment and SAP S/4HANA Cloud, public edition using Basic Authentication
- Tutorial Expose Custom Business Object as External Web Service
- Tutorial Maintain a Communication Arrangement for Inbound Communication
- Tutorial Set up SAP S/4HANA Cloud connectivity with SAP Integration Suite, advanced event mesh
- Tutorial Create Communication between SAP BTP, ABAP Environment and SAP BTP
- Tutorial Prepare Consuming System and Service Consumption Model
- Tutorial Monitor An SAP BTP ABAP Environment Service Using SAP Focused Run (FRUN)
- Tutorial Publish an OData service for remote consumption as an API
- Tutorial Configure Outbound SAML OAuth between SAP S/4HANA Cloud, public edition and SAP BTP
- Tutorial WebSocket RFC to Cloud
- Tutorial Define SAP Web IDE as Communication Partner in S/4HANA Cloud
- Tutorial Integrate SAP BTP ABAP Environment and SAP S/4HANA Cloud, public edition using the OAuth 2.0 SAML Bearer Assertion Flow
Docs explaining this concept
- Doc Communication Arrangements
- Doc Communication Arrangements - Entity
- Doc Communication Management
- Doc Communication Management
- Doc Communication System – Communication Arrangement Entity
- Doc Communication Systems
- Doc Communication User – Communication System Entity
- Doc Configuring Basic Authentication
Prerequisites
- Concept Communication Systems Configuration The provided sources do not contain sufficient information to define the concept **"undefined"** — no concept name or relevant explanatory content was supplied. A meaningful definition cannot be grounded solely in the available source snippets, which cover unrelated topics such as certificate renewal, communication systems, and SMTP integration. Please provide a valid concept name and supporting sources so an accurate, grounded definition can be written.
- Concept Communication Arrangement for Cloud Connector A **Communication Arrangement** is a configuration object in the ABAP environment of SAP Business Technology Platform that defines how an external system connects to and communicates with your system. Developers use it to set up integration scenarios by specifying a [communication scenario, system, and user](https://help.sap.com/docs/btp/sap-business-technology-platform/04488354490349f989871c5d555a2926?locale=en-US&state=PRODUCTION&version=Cloud), enabling both inbound and outbound connections. The [communication management apps](https://help.sap.com/docs/btp/sap-business-technology-platform/2e84a10c430645a88bdbfaaa23ac9ff7?locale=en-US&state=PRODUCTION&version=Cloud) allow developers to integrate their system with other systems, such as SAP Analytics Cloud, SAP Datasphere, or on-premise systems via Cloud Connector, as well as services like outbound email via SMTP.
- Concept Inbound and Outbound User Configuration The provided sources do not contain enough information to write a grounded definition for this concept. The source snippet is incomplete and cuts off before describing what the service enables, and no concept name was supplied (`undefined`). Please provide a valid concept name and complete source snippets to generate an accurate definition.
- Concept OAuth and SAML System-to-System Authentication The concept name is not defined and no usable source content was provided to ground a definition. A meaningful definition cannot be written without a valid concept name and supporting source material.
- Concept OAuth 2.0 Client Configuration The concept name provided is "undefined" and the supplied sources do not contain sufficient grounded information to produce a valid, accurate definition. A meaningful definition cannot be written without a clearly identified concept and supporting source material.
- Concept SAP Destination Service Configuration The concept name is not defined in the provided sources, so a grounded definition cannot be written. The sources cover related topics such as [inbound communication via principal propagation](https://help.sap.com/docs/btp/sap-business-technology-platform/387b3deb12474762b593d4b1f2b392ad?locale=en-US&state=PRODUCTION&version=Cloud), OAuth 2.0 SAML Bearer Assertion Grant, client certificate authentication, and [routing via destination](https://help.sap.com/docs/btp/sap-business-technology-platform/97d7a02cd6fd4f579fd96f41ee0d0c1d?locale=en-US&state=PRODUCTION&version=Cloud) in the ABAP environment on SAP BTP, but without a defined concept name, no accurate definition can be produced from these snippets alone.
- Concept Communication Scenario The concept name was not provided, so a precise definition cannot be generated from the available sources. Based on the supplied sources, which cover SAP BTP Communication Management topics — including [Communication Scenarios](https://help.sap.com/docs/btp/sap-business-technology-platform/baa798b6a1024d229ca3f51bde6f24f9?locale=en-US&state=PRODUCTION&version=Cloud), Communication Users, Communication Systems, and Communication Arrangements — a developer uses these entities together to set up and manage system-to-system integrations on SAP BTP. A Communication Arrangement, for example, links a Communication Scenario with a Communication System and a Communication User to enable inbound or outbound service access. Please provide the specific concept name so a targeted definition can be written.
- Concept SAP BTP Cockpit The concept name was not provided and the supplied source snippets do not define or describe a single, identifiable SAP developer concept — they cover a range of unrelated SAP BTP topics such as Kyma environment setup, Cloud Foundry org deletion, subaccount management, and service instances. A focused definition cannot be grounded solely in these sources without a clearly stated concept to define.
Concepts that build on this
- Concept Communication Arrangement for Cloud Connector
- Concept Communication Arrangement for Inbound Communication
- Concept SAP Web IDE Authorization
- Concept SAP Gateway OData V4 Service Group Publishing
- Concept SAML Bearer Assertion Provider Configuration
- Concept SAP S/4HANA Cloud Communication Scenario Registration
- Concept Maintain Business Roles Restriction Fields
- Concept Communication Arrangement – Outbound Service Entity
- Concept SAML Identity Provider Metadata Export
- Concept SAP S/4HANA Cloud system connectivity and data retrieval
- Concept Communication Arrangement in SAP BTP ABAP Environment
- Concept Communication Arrangement Setup
- Concept Client Certificate Management
- Concept OAuth 2.0 SAML Bearer Assertion Grant
- Concept Communication Arrangement Management
- Concept OAuth2 SAML Bearer Assertion Authentication Setup