The 10.0 release of Cisco Unified Communication Manager will not support the 7.x AXL schemas. Developers must upgrade to a supported AXL schema (8.x, 9.x or 10.0).
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AXL Documentation

Latest Version

9.1 Cisco Unified CM AXL Schema Reference

Includes diagrams, name spaces, attributes, code examples, and inter-relationships of all methods and handlers available. Download

9.1 Cisco Unified Communications Manager XML Developer Guide

Provides overview, new and changed information, interface features, code examples, and troubleshooting information. Download

9.1 Cisco Unified Communications Manager Data Dictionary

Describes Cisco Unified Communications Manager Database Schema (Tables, Fields, Data Types, and Relationships). Download

AXL Developer Cookbook

See solutions to common AXL challenges. Example request/response pairs for each solution.

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The Operations by Release matrix
See which AXL APIs are supported in which release.