HCLT offers a comprehensive SIP Test Tool suited for conformance, load, regression, integration testing and test automation needs of SIP based components such as SIP User agent and server. SIP Test Tool contains a conformance test suite for conformance testing of different SIP components such as User Agent, Proxy, Registrar, Presence and IM server. SIP conformance test suite provides a number of pre-defined test cases for checking the conformance of particular network component under test. These test cases check for a specified functionality and return the test results as Pass, Fail or skip. SIP Test Tool provides the hooks for test automation and with the help of APIs, user can automate the entire test process. HCLT is actively working on development of conformance test suites for other protocols such as Megaco, SCTP and testing of soft switch, media servers.