Teklan provides consulting and customization of Freeradius. Freeradius is a complete implementation of the RADIUS protocol for Linux & Unix operating systems which allows one to set up a radius protocol server, which is usually used for authentication and accounting of users. Freeradius is a community effort, produced under GPL.
DNSSec is the next generation DNS system, which provides secure and authoritative DNS lookups. DNSSec was recently ratified as an IETF standard - RCF4033, RCF4034, RCF4035.
The Xen hypervisor is a unique open source technology, developed collaboratively by the world's best engineers at over 20 of the most innovative data center solution vendors, including Intel, AMD, Cisco, Dell, Egenera, HP, IBM, Mellanox, Network Appliance, Novell, Red Hat, SGI, Sun, Unisys, Veritas, Voltaire, and XenSource.
Xen lets you virtualize your your servers, allowing you to conslidate onto fewer physical servers to make the most of your hardware investment.
We provide consulting, design and implementation services for Xen, and can help you make the most of your hardware investment.
Asterisk is a fully functional PBX in software. It runs on Linux and provides all of the features you would expect from a PBX and more. Asterisk does Voice over IP (VoIP) in three protocols, and can interoperate with almost all standards-based telephony equipment using relatively inexpensive hardware.
Asterisk provides Voicemail services with Directory, Call Conferencing, Interactive Voice Response, Call Queuing, and has support for three-way calling, caller ID services, ADSI, SIP and H.323 (as both client and gateway).
We can provide general consulting services for provisioning, installation and support of Asterisk, as well as custom development (eg: extensions to add authentication and encryption to the basic options available, custom IVR applications, etc...)