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Summa

Consume Summa API (v.0.1.7)
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Overview

This node, named "Summa," is designed to interact with the Summa API (version indicated dynamically). Specifically, for the LTE Subscription resource and the Get LTE ODB operation, it retrieves the Operator Determined Barring (ODB) information associated with a given IMSI (International Mobile Subscriber Identity). This can be useful in telecommunications scenarios where you need to query subscriber barring status or restrictions applied by the operator.

Practical examples include:

  • Checking if a subscriber identified by an IMSI has any barring services enabled.
  • Integrating with telecom backend systems to automate subscriber status checks.
  • Using the retrieved ODB data to make decisions in customer service workflows or automated provisioning.

Properties

Name Meaning
Imsi The IMSI (International Mobile Subscriber Identity) string identifying the LTE subscription for which the ODB information will be retrieved. This property is required.

Output

The node outputs JSON data containing the LTE ODB information related to the provided IMSI. The exact structure depends on the Summa API response but typically includes details about barring services applied to the subscriber.

If the API supports binary data output (not evident from the code), it would represent such data accordingly, but this node primarily deals with JSON responses.

Dependencies

  • Requires an active connection to the Summa API via an API key credential configured in n8n.
  • Uses an HTTP client internally to send requests to the Summa backend.
  • Relies on the summaApi credential for authentication.
  • No additional environment variables are explicitly required beyond the API credential.

Troubleshooting

  • Missing or invalid IMSI: Since IMSI is required, ensure it is provided and correctly formatted; otherwise, the API call may fail or return errors.
  • Authentication errors: If the API key credential is missing, invalid, or expired, the node will fail to authenticate with the Summa API.
  • Network issues: Connectivity problems between n8n and the Summa API endpoint can cause request failures.
  • API errors: The Summa API might return errors if the IMSI does not exist or if the requested data is unavailable.

To resolve these:

  • Verify the IMSI input value.
  • Check and update the API key credential.
  • Ensure network connectivity.
  • Review error messages returned by the node for specific API error codes or messages.

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