Digium D50 IP Phone 1TELD050LF Power:Power over Ethernet (PoE) One hundred of these keys

One hundred of these keys are used for programming extensions

Although these differences are present

Its modular design allows users to customize the Atlas 550 for whatever purposes they may need

Plantronics CS70 Description:

The Avaya 700469869 has a large backlit display that is easily navigable and configurable because of the navigational key

Digium D50 IP Phone 1TELD050LF Power:Power over Ethernet (PoE) One hundred of these keysDigium D50 Description: The Digium D50 is a high end open source SIP IP phone. The Digium D50 was built by Digium to work flawlessly with their open source Asterisk PBX software. The Digium D50 is an HD voice based handset with support with wideband audio codecs. The D50 IP phone supports four line appearances and ten programmable rapid dial BLF keys that monitor extension status. The Digium D50 has a 3. 5" backlit grayscale display that holds the