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Paradial Releases RealTunnel Firewall/NAT Traversal

Paradial has announced the general availability of Paradial's RealTunnel for Windows Mobile. RealTunnel now supports Linux, Windows and the Windows Mobile platform. Additional platforms will become available. Support has also been added for XMPP (Extensible Messaging and Presence Protocol).

RealTunnel represents a cost effective choice providing optimal connectivity and call completion on the major operating systems. Paradial released their first version of RealTunnel in 2002 and provides the most mature and proven firewall NAT traversal product available.

The RealTunnel SDK supports the following OS: Windows 2000/XP/Vista, Windows Mobile 5.0 and Linux.

Key Product Facts:
• The only truly open solution on the market supporting any SIP client and any SIP Registrar.
• XMPP support.
• Small footprint SDK.
• Most comprehensive FW/NAT product available. RealTunnel supports voice, video and T.120. application sharing across any firewall.
• Customers continue to use existing network infrastructure firewalls.
• No network or firewall modification is required.
• Excellent voice and video quality.

Supported network protocols:
• UDP
• TCP
• HTTPS
• RTP
• SRTP
• RTCP

Supported standards:
• SIP (RFC3261)
• STUN (RFC3489)
• STUN Relay (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.



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