• SonicOS 7.1 VoIP
• About SonicOS
  • Working with SonicOS
  • SonicOS Workflow
  • How to Use the SonicOS Administration Guides
  • Guide Conventions
• VoIP
  • VoIP Security
    • Security Appliance Requirements for VoIP
  • VoIP Protocols
    • H.323
    • SIP
  • SonicWall’s VoIP Capabilities
    • VoIP Security
    • VoIP Network
    • VoIP Network Interoperability
    • Supported Interfaces
    • Supported VoIP Protocols
      • H.323
      • SIP
      • SonicWall VoIP Vendor Interoperability
      • CODECs
      • VoIP Protocols on which SonicOS Does Not Perform Deep Packet Inspection
    • BWM and QoS
      • Quality of Service
    • How SonicOS Handles VoIP Calls
      • Incoming Calls
      • Local Calls
  • Settings
    • Configuring VoIP Settings
      • General Settings
      • SIP Settings
        • Enabling SIP
      • H.323 Settings
        • Configuring Bandwidth on the WAN Interface
        • Configuring VoIP Access Rules
    • Configuring VoIP Logging
• Call Status
• SonicWall Support
  • About This Document

VoIP Protocols on which SonicOS Does Not Perform Deep Packet Inspection

SonicWall network Security Appliances do not currently support deep packet inspection for the following protocols; therefore, these protocols should only be used in non-NAT environments.

• Proprietary extensions to H.323 or SIP
• MGCP
• Megaco/H.248
• Cisco Skinny Client Control Protocol (SCCP)
• IP-QSIG
• Proprietary protocols (Mitel’s MiNET, 3Com NBX, etc.)