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TekSIP is a handy and reliable application that acts as a SIP proxy and registrar. It comes equipped with support for UDP, TCP, and TLS transport protocols, is fully compatible with NAT transversal connections to properly intercept and modify the traffic in peer to peer and VOIP networks, and functions flawlessly with various application layer protocols to efficiently and effectively identify and transport media streams.

If you’d like to be able to protect your data from unauthorized access, it’s incredibly easy to enable authentication and use RADIUS server to connect. TekSIP comes equipped with a tabbed interface that’s relatively easy to navigate through and there’s also a bunch of handy help documentation to help you out if you get stuck. Regardless of whether your telephone networking company is large or small, TekSIP has everything you need to make it better.


- Logs system messages, errors, and session information in a log file that can be referred to at any time.
- Allows you to configure all of your parameters through the management GUI to ensure that your employees can’t just up and change things.
- Provides you with NAT transversal between registered SIP UAs.
- Has the ability to act as a B2BUA or incoming 3xx SIP responses.
- Gives you the option of redirecting end calls to an alternate endpoint when the called endpoint is unavailable or busy.
- Clears expired registrations for you automatically.
- Stores all of your configuration data for easy reference.
- Has the ability to act as a RTP proxy when enables and more.


- At least 2048 MB of free RAM.
- Microsoft .NET Framework v 4.0 Client profile (minimum).
- At least 10 MB free disk space.


The unregistered version supports 5 endpoint definitions and permits a maximum of 5 simultaneous of SIP calls.

TekSIP Details

  • License:
    Demo ($239)
  • Latest Version:
  • Platform:
  • Updated:
    Aug 13, 2018
  • Publisher:
  • File size:
    3.7 Mb
  • Category:
  • User Rating:
    0 / 5 (0 votes)
  • Editors' Review:
    Not yet reviewed
  • Downloads:

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