Abstract: SIP information extraction is disclosed. A method includes receiving a user selection to create a test involving the Session Initiation Protocol (SIP). Test information is received from the user, including a user selection to extract data included in SIP messages. A user interface guiding a user in specifying SIP data extraction instructions is provided, including receiving source selection instructions, data selection instructions, and data refinement instructions from the user. A test is then executed involving SIP messages. The test includes applying the SIP data extraction instructions to obtain extracted refined SIP message data and using the extracted refined SIP message data to create test SIP messages that include the extracted refined SIP message data or verify if the extracted data conforms to SIP standards or specialized implementations.