Protocol Stacks

award-winning Protocol Tools

Softil’s award-winning Protocol Tools are the core technology behind rich media applications and products. With rich sets of APIs, these tools simplify development of all types of VoIP and Mobile (3G/4G/LTE) multimedia applications and services. Being core IP-based, each signaling Protocol ToolKit is kept up-to-date with the latest industry standards and thoroughly tested for interoperability with leading OEMs, and support for single or multiple protocols.
SIP Developer Suite

The award-winning SIP Developer Suite is a powerful and highly versatile set of tools to dramatically accelerate development of SIP applications.

ICE NAT Traversal Stack

Softil offers a complete ICE NAT traversal solution for developers that is compliant with the Interactive Connectivity Establishment (ICE).

STUN NAT Traversal Stack

Softil’s STUN NAT Traversal Stack is an IETF standards-based STUN solution that comprises the latest NAT-related solutions available today.


The IMS SIP Stack is a powerful and highly versatile set of tools to facilitate development of IMS SIP applications while reducing time and costs.

IMS Diameter Stack

An extensible messaging protocol enabling Authentication, Authorization and Accounting within and across IP multimedia networks.

3G-324M Stack

The 3G-324M Stack includes a set of APIs for developing multimedia communication solutions for 3G UMTS, TD-SCDMA and CDMA2000 networks.

Advanced RTP/RTCP Stack

Addresses the requirements of sending media over IP networks in and efficient and advanced manner.

MEGACO/H.248 Stack

Designed for decomposed gateway architectures for developing Media Gateways or Media Gateway Controller applications.

MGCP Stack

Addresses requirements of production IP telephony networks that are built using decomposed gateways.

H.323 Protocol Stack

The award-winning, Softil H.323 Protocol Stack implements all mandatory H.323 features and offers extensive optional capabilities.

SIP Server Platform

The SIP Server Platform is a Software Development Kit (SDK) that provides all the necessary building blocks required to develop SIP Server applications.

Formerly Radvision Protocol Stacks, or Protocol SDKs