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

Adtran 1200262L1 Features:

The 1200222L1 provides 128 controllers at 56 / 64 Kbps channels

The 4200321L2 is a redundant system

Replacement bases for the newer IP400 series phones can be found here - Shoretel IP400 Replacement Phone Base (420

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.