ShoreTel BB24 Button Box Power:Add Power Injector The phone provides users with

The phone provides users with a host of programmable buttons in addition to fixed feature keys such as voicemail or speakerphone

The 4200321L2 is a redundant system

ShoreTel 565G Gigabit IP Phone Description:

PRI switching applications and frame relay passthrough are supported with the 1200185L3

The power supply can be set up as a redundant power supply in order to maintain power to the Atlas 830 in the event of one power supply failing

ShoreTel BB24 Button Box Power:Add Power Injector The phone provides users withShoreTel BB24 Button Box Description: The Shoretel Button Box is a programmable expansion console with self labeling keys. The BB24 provides 24 additional lines that users can select with the push of a button. In addition to programming the buttons as lines, each programmable button can be set up as additional features instead. The button box can either be powered via the power of an attached phone or through the use of an optional power injector.