3Com 3105 Add On Key Expansion 3C10405A (655-0141-01) Power:Power over Ethernet (PoE) 1 or higher on their

1 or higher on their CPC processor should look into using Inter-Tel 550

The J9078A switch is an "unmanaged" switch meaning it auto-configures itself for you

The Nortel 1200 expansion module is ideal for any executive assistant

Best of all

ESI 48 Key Feature Phones

3Com 3105 Add On Key Expansion 3C10405A (655-0141-01) Power:Power over Ethernet (PoE) 1 or higher on their3Com 3105 Add On Key Expansion 3C10405A Description: The 3Com Key Expansion unit is specially designed for use with your 3Com NBX phone. The 3105 Add on console is for those who need access to and to see the status of all available extensions at once. The 3Com NBX 3105 add on console has fifty programmable buttons reserved for the lines in your system. In addition to these fifty buttons, up to 100 users can be seen with the use of a shift key. The