Chapter 22 VoIP Solutions: SIP : FortiGate VoIP solutions: SIP
  
FortiGate VoIP solutions: SIP
This chapter includes the following sections:
• SIP overview
• Common SIP VoIP configurations
• SIP messages and media protocols
• The SIP session helper
• The SIP ALG
• How the SIP ALG performs NAT
• Enhancing SIP pinhole security
• Hosted NAT traversal
• SIP over IPv6
• Deep SIP message inspection
• Blocking SIP request messages
• SIP rate limiting
• SIP logging and DLP archiving
• Inspecting SIP over SSL/TLS (secure SIP)
• SIP and HA: session failover and geographic redundancy
• SIP and IPS
• SIP debugging