Developing SIP applications on Liberty
A Session Initiation Protocol (SIP) application is a set of SIP servlets that are packaged in a SIP application archive file (SAR).
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You can use developer tools, such as the IBM WebSphere Application Server Developer Tools for Eclipse, to develop SIP servlets using graphical deployment descriptor editors and basic wizards. The developer tools also include other features that integrate with Liberty deployments, such as tools for server automation and application packaging. For information about developing SIP applications by using WebSphere Developer Tools, see Developing SIP applications.