XCAPI is not affected by the PJSIP vulnerability. PJSIP is a free multimedia communication library used in many applications. Several vulnerabilities put these applications at risk. PJSIP is not used by XCAPI. All VoIP signaling stacks of TE-SYSTEMS software products are exclusively developed internally and are therefore not vulnerable to attacks.
![PJSIP vulnerability: XCAPI is not affected](https://www.xcapi.com/wp-content/uploads/2022/03/News_homepage_PJSIP_xcapi.png)