LSO Cantata

Frictionless enterprise access to digital services.

MEF LSO Cantata APIs

Within the LSO Framework, LSO Cantata APIs address the enterprise customer-to-business layer of business interactions with the service provider for delivered MEF standard services, like quoting, ordering, and product inventory. They support end-to-end automation and orchestration of digital services at the LSO Cantata Interface Reference Point in the LSO Reference Architecture.

LSO Cantata APIs combine product-agnostic business API functionalities with product payloads (data schema). For example, MEF 3.0 Carrier Ethernet services can be orchestrated using LSO Cantata and LSO Sonata APIs for full end-to-end service automation at the business layer of Carrier Ethernet services across multiple providers within a supply chain. This combination drastically accelerates an enterprise’s ability to access off-net business locations with robust, dynamic digital services, including connectivity and cybersecurity.

The related LSO Cantata SDK and standards themselves apply to a wide range of products and services.

Diagram LSO APIs for Business Automation

LSO Cantata Interface Reference Point

LSO Cantata is the reference point in the LSO Framework between the business application layer of the service provider and the customer, enabling non-control-related management interactions.

diagram MEF LSO Framework

What Can I Achieve with LSO Cantata APIs?

Either standalone, or together with LSO Sonata APIs, LSO Cantata automates digital services end-to-end—from the subscriber through to the service provider and any partner operators.

LSO Cantata APIs support business automation of a wide range of MEF and non-MEF services, thus empowering the enterprise with frictionless access to digital services.

MEF LSO Cantata API advantages:

  • Empower enterprise subscribers with frictionless access to digital services.
  • Reduce or eliminate errors in service pre-ordering and ordering.
  • Avoid costly, non-scalable proprietary interfaces that may lock the enterprise into a single service provider.
  • Enable end-to-end service automation across multiple providers.
  • Accelerate service turn-up, both on-net and off-net.

Learn More about LSO Cantata:

Technical Standards & SDKs:

LSO Framework Release ‘Fergie’ — 2023 Jun

Product Portfolio: LSO Allegro, LSO Cantata, LSO Legato, LSO Sonata, LSO Presto, LSO Interlude

The theme of this release is the complete Business APIs Suite (by adding Product Catalog and Product Offering Availability and Pricing Discovery APIs). It also enriches the Operational API Suite by adding Performance Monitoring and Passive Statistics and Streaming Management.

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LSO Framework Release ‘Ella’ — 2023 Jan

Product Portfolio: LSO Cantata, LSO Legato, LSO Sonata, LSO Presto

The theme of this release is the Introduction of LSO Operational APIs and it also introduces the Billing API. Three APIs and Developer Guides: Product Order Management, Trouble Ticketing, and LSO API Security Profile are now finalized standards, and six additional are in Letter Ballot.

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LSO Framework Release ‘Dolly’ — 2022 Jun

Product Portfolio: LSO Cantata, LSO Legato, LSO Sonata, LSO Presto

The theme of this release is Internet Access and adds APIs for Appointment and Work Order. 5 APIs and Developer Guides: Address, Site, POQ, Quote, and Inventory are now finalized standards.

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MEF 123 LSO Cantata and LSO Sonata Product Order Management API – Developer Guide — 2023 Feb

Product Portfolio: LSO Cantata, LSO Sonata

Tags: LSO Sonata, LSO Cantata

This standard is intended to assist the implementation of the Product Order functionality defined for the LSO Cantata and LSO Sonata Interface Reference Points (IRPs).

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MEF 127 Draft Release 1 Product Catalog Requirements and Use Cases — 2023 Jun

Product Portfolio: LSO Cantata, LSO Sonata

This document identifies the common Use Cases and attributes needed to support the Product Catalog at the LSO Sonata/Cantata Interface Reference Point.

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Be In the Standard

Engage in Enhancing Customer Experience through LSO Cantata

LSO Cantata APIs that enable fully automated business by the enterprise opposite the retail service provider are constantly being enhanced by the MEF membership. As a MEF member, you can help lead the industry in enabling this enhanced experience for enterprises. Find the latest project work in the MEF 3.0 LSO Cantata Hub on the MEF Members’ Wiki.


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