H.323 Protocol Stack

The award-winning, Softil H.323 Protocol Toolkit implements all mandatory H.323 features and offers the most extensive implementation of optional capabilities.

The current Softil release is ITU-T H.323 version 5 compliant, supports the latest standards and is fully
backward compatible.

Formerly Radvision H.323 Protocol ToolKit, Radvision H.323 Protocol Stack or H.323 SDK

Highlights

  • Most widely deployed H.323 solution

  • Large customer base, with hundreds of different products deployed today

  • Rich API set

  • Support for the latest H.323 standards and technologies, through flexible and varied APIs

The H.323 stack can be used to develop:

  • MCUs
  • Gateways
  • Softswitches
  • IADs
  • IP phones
  • VoIP-enabled chipsets
  • Room systems
  • IP-PBXs
  • Session Border Controllers (SBCs)

Architecture

The H.323 Stack is a modular solution, enabling the development of virtually any type of H.323 device. It includes an optional set of add-on modules, including the H.460.17-19 Firewall/NAT Traversal, H.450 Supplementary Services and H.235 Security.

Features

  • High-Level API
  • IPv4/IPv6 Support
  • H.460.17-19 Firewall/NAT Traversal
  • Real-Time Fax (Annex D)
  • UDP Signaling (Annex E)
  • HTTP-Based Service Control for H.323 Devices (Annex K)
  • Stimulus Signaling, Tunneled MEGACO Messages (Annex L)
  • Telephony Signaling Tunneling Through H.323 (Annex M)
  • DNS support (Annex O)
  • Remote Camera Control (Annex Q)
  • H.341 MIB Support
  • Q.931 Multiplexing
  • High Capacity Registration (Additive Registration)
  • H.245v13 Advanced Call Control
  • Multi-homed IP
  • H.235v3 Security
  • Full H.450 Supplementary Services
  • H.245 GEF API
  • H.350 LDAP support

The H.323 stack supports all of the latest standards required to build VoIP solutions. Refer to the product datasheet for more information.

The H.323 Stack comes with

  • Full source code
  • Complete source code sample application
  • Full documentation, programmer’s guide and reference guide
  • Porting guide (for unsupported operating systems)
  • Training
  • Version upgrades
  • Professional customer support
  • Turnkey solutions (upon request)
  • Porting services (upon request)

The H.323 stack supports all of the latest standards required to build VoIP solutions. Refer to the product datasheet for more information.

H.323 Protocol Toolkit Data Sheet
View Data Sheet