## 4.2.13.2.9.1.1  Communication Systems - Entity
Technical name: CommunicationSystems
## Properties
| Property                     | Description                           | Necessity       |
|------------------------------|---------------------------------------|-----------------|
| CommunicationSystemID        | Communication system ID               | Mandatory (Key) |
| CommunicationSystemName      | Communication system name             | Optional        |
| HostName                     | Host name                             | Optional        |
| UIHostName                   | UI host name                          | Optional        |
| TCPPort                      | TCP port                              | Optional        |
| LogicalSystemID              | Logical system ID                     | Optional        |
| BusinessSystemID             | Business system ID                    | Optional        |
| InboundOnly                  | Inbound only                          | Optional        |
| HubSystem                    | Hub system                            | Optional        |
| SAPClient                    | SAP client                            | Optional        |
| RFCLoadBalancing             | RFC load balancing                    | Optional        |
| RFCSAPSystemID               | RFC SAP system ID                     | Optional        |
| RFCSAPSystemNumber           | RFC SAP system ID number              | Optional        |
| RFCLogonGroup                | RFC logon group                       | Optional        |
| RFCMessageServerTargetHost   | RFC message server target host        | Optional        |
| OwnSystem                    | Ownsystem                             | Optional        |
| CipherSuites                 | Cipher suites                         | Optional        |
| IsCipherSuiteDefault         | Default system for cipher suites      | Optional        |
| OAuth2IdentityProviderActive | OAuth 2.0 identity provider is active | Optional        |
| OAuth2IdentityProviderName   | OAuth 2.0 identity provider name      | Optional        |
| OAuth2IDPUserLogonType       | OAuth 2.0 IDP user logon type         | Optional        |
| Property                       | Description                                    | Necessity   |
|--------------------------------|------------------------------------------------|-------------|
| OAuth2AuthEndpoint             | OAuth 2.0 authorization endpoint               | Optional    |
| OAuth2TokenEndpoint            | OAuth 2.0 token endpoint                       | Optional    |
| OAuth2Audience                 | OAuth 2.0 audience                             | Optional    |
| SAPCloudConnectorActive        | SAP Cloud Connector is active                  | Optional    |
| SAPCloudConnectorLocationID    | SAP Cloud Connector location ID                | Optional    |
| SAMLBearerAssertionProvActive  | SAML Bearer Assertion Provider is ac- tive     | Optional    |
| SAMLBearerAssertionProvName    | SAML Bearer Assertion Provider name            | Optional    |
| SAMLBearerAssProvUserLogonType | SAML Bearer Assertion Provider user logon type | Optional    |
| OwnerContactPersonName         | Owner contact person name                      | Optional    |
| OwnerContactPersonPhone        | Owner contact person phone                     | Optional    |
| OwnerContactPersonEMail        | Owner contact person email                     | Optional    |
| LastChangedDateTime            | Date and time of last change                   | Optional    |
| LastChangedByUserID            | Last changed by <user ID>                      | Optional    |
| LastChangedByUserName          | Last changed by <user name>                    | Optional    |
| LastChangedByUserDescription   | Last changed by <user description>             | Optional    |
| LastChangedByEMailAddress      | Last changed by <email address>                | Optional    |
| LastChangedByGlobalUserID      | Last changed by <global user ID>               | Optional    |
##  Note
To display more information about the properties on the SAP Business Accelerator Hub, choose Schema View .
## Expandables
This entity is expandable with the following:
- Inbound Users
- Outbound Users
- Communication Arrangements
## Related Information
Communication System - Inbound User Entity [page 1038]
Communication System - Outbound User Entity [page 1039] Communication System - Communication Arrangement Entity [page 1039]