Avaya Definity TN420C Tone Detector Card (Refurbished) AT&T Twelve-line selection or speed dial

Twelve-line selection or speed dial keys

350 watt power supply (PS)

Dual headset jack for agent and supervisor

The Vodavi 48-button digital dss console can be used with any of the Triad S telephone Systems and well as any of the XTS phone systems

With this card the voicemail will be capable of 4 channels of voicemail

Avaya Definity TN420C Tone Detector Card (Refurbished) AT&T Twelve-line selection or speed dialAvaya Definity TN420C Tone Detector Card. More Information Detects and analyzes tones on the Time Division Multiplexing (TDM) bus Provides two Network Processing Elements (NPEs) with eight channels that provide four Dual Tone Multi Frequency (DTMF) receiver ports, two general purpose tone detector ports, and two digital loop around ports TN420C replaced by TN2182B and TN744D