1. Introduction

This technical note provides information for application developers on porting existing Global Call applications that use the embedded H.323 IP stack provided in System Release 5.x to Global Call applications that use the host-based H.323 stack provided in System Release 6.0 and later. Topics include:

• Deprecated Global Call functions and the preferred equivalents
• Run time configuration
• The relevant Global Call API functions that replace the config.val file
• Compatibility issues to be fixed in future system releases
• Compatibility issues
• Enhanced functionality available in the System Release 6.0

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