SIP Message Routing and Filtering Tools
This content is no longer actively maintained. It is provided as is, for anyone who may still be using these technologies, with no warranties or claims of accuracy with regard to the most recent product version or service release.
The Microsoft Office Communications Server 2007 R2 Server SDK Application API enables the development of custom message filters and routing applications.
Application manifests define basic message filtering and proxy behaviors. The Microsoft SIP Processing Language (MSPL) provides more granular control over filtering and proxy behaviors. See the following topics for more information.
Tips for writing an effective message filter script and sample code.
An in-depth reference for MSPL.
MSPL also enables you to dispatch specific SIP messages to transaction-based SIP applicaitons. For more information, see About the SIP Managed Application API.