SIP: Session Request
This signature detects Session Initiation Protocol (SIP) INVITE requests. These are generally non-malicious, but could violate your telephony security policy. If you use SIP legitimately, remove this entry from your policy.
References
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3