Radius

Radius is an AAA (Authentication, Authorization, and Accounting) protocol originally developed by Livingston (now part of Lucent) for their dialup servers. (See: Radius Server History) Because the Radius protocol includes the capability of being easily extended, it has been used for many purposes beyond it's initial design target.

Today Radius is used for:

Network Access Servers (dialup and broadband)
Packetcable RKS servers
VOIP Billing data collection
etc.

Diameter is a next generation Radius like protocol that hasn't gotten much traction yet.

Radius RFCs

RFC 2138 Obsolete - Remote Authentication Dial In User Service (RADIUS)
RFC 2139 Obsolete - Radius Accounting
RFC 2548 Microsoft Vendor-specific RADIUS Attributes
RFC 2809 Implementation of L2TP Compulsory Tunneling via RADIUS
RFC 2865 Remote Authentication Dial In User Service (RADIUS)
RFC 2866 RADIUS Accounting
RFC 2867 RADIUS Accounting Modifications for Tunnel Protocol Support
RFC 2868 RADIUS Attributes for Tunnel Protocol Support
RFC 2869 RADIUS Extensions
RFC 2882 Network Access Servers Requirements: Extended RADIUS Practices
RFC 3162 RADIUS and IPv6

Cisco power supply bricks
by lingolep Mon 29 of Dec, 2008
I added a page about Cisco power supply bricks and I'm unsure whether there is a common plug for these phones that take 48v input jacks, since the power supply I got had a slightly differing connector. Please add the details there if you have them.
Obeylx -Voip call center technology – bone or bane
by saurabh189 Mon 29 of Dec, 2008
VoIP technology is helping the mushrooming of call center technology all across the world. This is helping the call centers in reducing the cost and getting agents at lower cost with higher skill set. Most of the VoIP based call center technology are currently premise based solution where the IT systems implemented becomes more of a hindrance on time and cost effectiveness.

With recent advancement of VoIP, capable call center equipment like server and gateways are being replaced one third of cost with VoIP while matching reliability levels of traditional telephony. VoIP based call center solutions help call centers see reduced call costs, lower churn and drastic reduction on agent and admin costs.
...
Re: Where can I buy one for myself?
by admin Fri 26 of Dec, 2008
I'd suggest contacting YeaLink directly and asking them for a retail seller:
Yealink

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Radius

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