VoIP Protocols on which SonicOS/X 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.)