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QuickPhones QA-342 WiFi VoIP phone
The QuickPhones QA-342 is a great mobile solution for those who need basic features, robust build quality and long battery life. The WiFi enabled QA-342....
Grandstream GXP-2000 IP Phone Review
The Grandstream GXP2000 is a one of the most popular SIP based IP phones in the world. SIP is a protocol (think language) that allows the GXP2000 to communicate with many popular SIP based IP Phone Systems...

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 article will discuss some of the different options one has for the phone.

Cisco IP Phone Power Supplies Explained
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.

Trixbox Appliance Hardware Diagram

Trixbox Appliance Hardware Diagram

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.