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Cisco 7920 Wireless IP Phone Accessory Guide
The Cisco 7920 Wireless IP Phone has several accessories and replaceable parts and the information on them limited. This guide aims to shine some light on the different options one has for the phone.

The CP-BATT-7920-STD is the battery that is included most of the time with the 7920.  It is a 3.7 volt lithium ion battery that is rated at 1760 milliamp hours (mAh) this is basically how much juice the battery holds - the higher the mAh the better.

Cisco IP Phone Power Supplies Explained
We receive a lot of questions regarding Cisco IP phone power supplies, this article is an attempt to answer most of these questions. If it does not answer your question, please feel free to give us a call.

What is an IP phone power supply?

An IP Phone power supply is a device that supplies electrical power to an IP phone by plugging in to an AC wall jack. A power supply can also be referred to as a power adapter, power cube, power brick etc... Power cube is quite common with Cisco phones because the original Cisco model number for their IP phone power cube is CP-PWR-CUBE.

Digium TDM400P - TDM2400P Bundles Explained
Digium is a manufacturer of analog and digital interface PCI cards based out of Huntsville, Alabama. Digium also knows a thing or two about open source telephony because it is the creator and primary developer of Asterisk - the premier open source IP PBX.

This article will go over the Digium TDM400P, the Digium TDM2400P, and the modules for these cards, what bundles you can build using these components and what functionality these bundles will provide.

Linksys Analog Adapter Comparison
Linksys has several models of analog telephone adapters in their product line. From the wildly popular "PAP2" to the lesser known SPA2102, Linksys provides quality products with several FXS, FXO and Ethernet port configurations. This article will review the different models, model number changes and what the difference between a locked and an unlocked adapter.

Snom IP Phone Review

Snom 300, 320 & 360 IP Phone Review

Snom Technology AG is a well known manufacturer of SIP IP phones and accessories located in Berlin, Germany. Snom has a reputation for its excellent SIP implementation and advanced features on all of the phones they manufacture. Snom is a very popular phone in Europe and Asia and is starting to gain more popularity in the US because of its price point and feature set.

A Basic Understanding of VoIP

Many people are hearing for the first time about VOIP. VOIP, or voice over internet protocol, is a method of talking on the phone through the use of the internet. It works by taking analog audio signals and turns them into digital data which can then be transmitted over the web. Sounds confusing? Really, it is simple and very interesting.

This technology has been developed and used extensively. Today, more and more people are switching their long distance service away from traditional means and focusing them on VOIP simply because it offers high quality and, get ready for this, affordable prices!