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One Left Provides all features of the standard 34-Button Super Display Telephone. Requires DSX Phone Adapter (91045) or POE (Power Over Ethernet). ... more info

Provides 4 VOIP ports to an existing NEC DSX40, NEC DSX80, and a NEC DSX160. Mounts on to the CPU card of the NEC DSX Phone System

DSX VoIP Phone Adapter Required to provide power for (1) DSX VoIP Telephone, if not using POE (Power Over Ethernet). Also provides data jack for ... more info

NEC DSX VoIP Starter Kit Includes everything needed to add your first VoIP phone to an existing NEC DSX Phone System. Such As: 1) NEC DSX VoIP ... more info

NEC DSX Key Service Unit - Supports 4 Lines In x 8 Digital Phones x 2 Analog Phones - Contains: central processor, power supply, (4) central office ... more info

Initial configuration starts out at 4 Lines In X 8 Digital Station Ports X 2 Analog Station Ports for a Fax Machine or Single Line Phones. Expands to ... more info

NEC DSX40 Four Port CO/Trunk Card DSX40 4-Port Trunk Incoming Line Card provides interface of up to 4 more incoming lines to an existing NEC DSX40 ... more info

NEC DSX40 8-Port Analog Station Card The DSX40 8-Port Analog Station Card provides interface for 8 analog type telephones, single line phones, fax ... more info

NEC DSX40 8-Port Digital Station Card The NEC DSX40 8-Port Digital Station Card provides expansion of up to 8 more NEC DSX Proprietay telephones to ... more info

Our most affordable phone system bundle Initial configuration starts out at 4 Lines In X 8 Digital Station Ports X 2 Analog Station Ports for a Fax ... more info