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By clicking a download link, you consent to respective software license agreement. You must uninstall existing version and delete installation directory of TekRADIUS in order to upgrade from a version prior to 4.8.1.
You may receive false positive warnings from your anti-virus/anti-malware systems due to code obfuscation methods we have deployed. Please inform us for such cases.

Uninstallation Instructions
  • Extract contents of distribution zip file file to a temporary directory, run Setup.exe from the distribution to install. Uninstall previous version if you upgrade from an earlier version.
  • Double click program icon at "Add or Remove Programs" in the Control Panel to uninstall.

KaplanSoft security and privacy policy.
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ProductFreeware limitationsVersion
Download TekRADIUS
(License agreement)
Following features are not supported in free edition;
Enterprise
  • EAP-TLS, EAP-TTLS and EAP-SIM authentication methods
  • Dynamic Self Signed Certificate Creation for PEAP Sessions
  • NTLM authentication for MS-CHAP authentication methods (Authentication of Windows domain users)
  • Active Directory msRADIUSFramedIPAddress attribute and Dial-in / Verify Called-Id support
  • Regular Expression based attribute matching
  • OTP (One Time Password, RFC 2289)
  • Dynamic IP address assignment
  • Send email notifications for user events
  • TLS Transport (RFC 6614) authentication
  • SP
  • Enterprise features
  • VoIP billing
  • HTTP reporting and user management interface
  • Google Authenticator support
  • Alphanumeric RADIUS client entry
  • Specifying free usage periods for users
  • IPv6 support
  • Sending Packet of Disconnect (PoD), Change of Authorization (CoA), or executing user defined session kill command when a user consumes all credit
  • Near quota limit warning
5.5.8
Download TekRADIUS LT
(License agreement)
Same as TekRADIUS5.5.8
Download TekSIP
(License agreement)
Freeware version allows maximum 3 SIP endpoints registration and 3 simultaneous SIP sessions. Enterprise edition allows upto 100 simultaneous registration and SIP sessions. Following features are not supported in free edition;
Enterprise
  • SDP Manipulation
  • TLS Transport
  • SMPP Gateway
  • SP
  • Enterprise features
  • Lync Proxy
  • SRTP -> RTP interworking
  • WebRTC Media Gateway
  • Unlimited number of simultaneous SIP registrations and sessions
  • Route incoming calls to registered extensions
  • IPv6 support
  • RADIUS AAA
4.1.3
Download TekIVR
(License agreement)
Freeware version allows maximum 2 simultaneous SIP calls and does not support querying Lync client presence status. MRCP v2 proxy feature requires a commercial license.2.6.7
Download TekFax
(License agreement)
Freeware version supports receiving maximum 2 fax pages.1.9.2
Download TekConSer
(License agreement)
Free version of TekConSer supports maximum 3 peers per conference.1.6.2
Download SipCLI
(License agreement)
Free version of SipCLI supports maximum 3 second of playout and maximum 3 different actions in scenario definitions. Following features require a commercial license;
  • Unlimited duration for media playout
  • Multi-instance running on a single machine
  • Inband DTMF detection
  • SIP INFO method for DMTF delivery
  • SRTP
  • TCP & TLS transports
  • SIP Registration
2.9.4
Download SIPob
(License agreement)
Free version of SIPob supports maximum 3 second of playout. Free version can make only a single call at a time.1.3.3
Download TekCERT
(License agreement)
Free version of TekCERT supports only sha-1withRSAEncryption key algorithm and cannot generate certificates valid for more than 30 days. sha256withRSAEncryption, sha385withRSAEncryption, sha512withRSAEncryption key algorithms, Let's Encrypt certificate signing, and time stamping command line options require a commercial license. OCSP/SCEP responder service is enabled with SP license.2.7.2
Download TekTape
(License agreement)
Free version of TekTape supports maximum 3 minutes of monitoring.2.4.3
Download ARPMiner
(License agreement)
Freeware license allows maximum 5 simultaneous user sessions. Following features are not supported in free edition;
Enterprise
  • RADIUS authentication & authorization
  • IP address blacking listing on authentication failures.
  • Sponsored authorization.
    • SP
      • Enterprise features
      • RADIUS accounting
      • PPP encryption in PPPoE server
      • DNS Proxy
3.4.0
Download TekENUM
(License agreement)
Freeware edition allows maximum 4 digits length matching.1.4.2
Download TekSIP Route Server
(License agreement)
Freeware edition allows maximum 4 digits length matching.1.4.2
Download TekOTP
(License agreement)
N/A1.4.2
Download Tekaba
(
License agreement)
Freeware version allows only one simultanous call.1.3.3
Download TekPhone
(License agreement)
N/A1.6.3
Download TelCLI
(License agreement)
Freeware version supports maximum 3 actions in scenarios and runs only one instance at a time.1.2.2
Download SMPPCli
(License agreement)
Freeware edition of SMPPCli limits text message with 10 characters and can be run only one instance at a time.1.3.5
Download TekWiFi
(License agreement)
N/A1.5.2
Download TekSMTP
(License agreement)
Freeware version allow one rule set with maximum 5 rules. Following features are not supported in free edition;
  • SPF, DKIM signing and signature validation
  • Anti-SPAM Features
  • Quarantine IP addresses
  • Whitelisting
1.5.4
Download ENUM Resolver
(License agreement)
N/A1.4.2
Download TekRecorder
(License agreement)
N/A1.1.4

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