• 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

H.323

SonicOS provides the following support for H.323:

• VoIP devices running all versions of H.323 (currently 1 through to 5) are supported
• Microsoft's LDAP-based Internet Locator Service (ILS)
• Discovery of the Gatekeeper by LAN H.323 terminals using multicast
• Stateful monitoring and processing of Gatekeeper registration, admission, and status (RAS) messages
• Support for H.323 terminals that use encryption for the media streams
• DHCP Option 150. The DHCP Server can be configured to return the address of a VoIP specific TFTP server to DHCP clients
• In addition to H.323 support, SonicOS supports VoIP devices using the following additional ITU standards:
  • T.120 for application sharing, electronic white-boarding, file exchange, and chat
  • H.239 to allow multiple channels for delivering audio, video and data
  • H.281 for Far End Camera Control (FECC)