Paradial announces Firewall/NAT traversal product for SIP
"RealTunnel 2.0 continues to deliver the best possible voice and video quality by automatic and intelligent discovery and use of optimal transport mechanisms for the call at hand. Using the RealTunnel SDK allows customers and partners to focus on delivering communication and collaboration solutions without compromising security or having to solve the complex challenges of connecting calls over firewalls and NATs", said Espen Skjæran, CTO, Paradial.
New features and capabilities include:
Support for ICE/STUN/TURN, UDP, TCP and HTTPS relay support including HTTP proxy and authentication schemes. Small client footprint. Available as SDK for softphones and hardphones, and as a stand-alone enterprise proxy for corporate networks. SOAP provisioning interface. "The new RealTunnel release demonstrates Paradial's continued investment and commitment in making it simple and secure to build, deploy and operate standards-based IP-communication and collaboration solutions", said Ingvar Aaberg, CEO, Paradial.
Availability and Platforms
RealTunnel SDK is available on Windows and Linux. Support for additional platforms is planned.
Key Product Facts:
• The only truly open solution on the market supporting any SIP client and any SIP Registrar.
• Small footprint SDK.
• Most comprehensive FW/NAT product available. RealTunnel supports voice, video and T.120 application sharing across any firewall.
• The customers can use existing network infrastructure firewalls.
• No network or firewall modification is required.
• Excellent voice and video quality.
Supported network protocols:
• UDP
• TCP
• HTTPS
• RTP
• RTCP
Supported standards:
• SIP (RFC3261)
• STUN (RFC3489)
• TURN
• ICE
• Symmetric Response (RFC3581)
• Extension Header Field for Registering Non-Adjacent Contacts (RFC 3327)
• Locating SIP Server (SIP DNS)
The most common HTTP proxy authentication schemes are supported:
• Basic authentication
• Digest authentication
• NTLM authentication
• Proxy pac scripts
Source: WebIT PR

