Specifications

Issue 6 February 2007 335
● User-customizable call appearance and feature buttons, with system administrator
permission
● Adjustable volume control for the handset, the speaker, and the ringer
● Message waiting light
● 2-wire connectivity through 2-wire digital line circuit packs only
● Internal self test
● Option of eight ringing patterns
● Can be used with the stand or without the stand when the 100A Analog Interface module is
not present
● Desktop mountable or wall mountable (if the 100A Analog Interface Module is not present)
● Meets Class B requirements for use in residential location.
● Available in dark gray and white.
Optional available components:
● Supports optional XM24 expansion module that allows for an additional 24 call
appearance and feature buttons with dual LEDs.
The Avaya 6424D+M telephone is powered from the system to which the telephone is
connected. Adjunct station or closet power is necessary only when connecting an XM24
expansion module or the 100 A Analog Interface Module. If both modules are connected to the
6424D+M, only one power supply is necessary. The 6424D+M continues to work if the auxiliary
power is interrupted, but the modules do not work.
Avaya Callmaster IV (603H) digital telephone
The Avaya Callmaster IV telephone supports applications that use the Automatic Call
Distribution (ACD) feature. The ergonomic design of the Avaya Callmaster IV allows agents to
handle large volumes of calls more quickly and efficiently. VuStats, a display of agent and call
center statistics on the Avaya Callmaster IV, provides agents with real-time information.
The Avaya Callmaster IV works in a 2-wire environment. The older Avaya Callmaster IV (603F)
has a separate jack for the older 4-wire environment, and reduced wiring expenses and
installation change adjustments.
The Avaya Callmaster IV includes as standard a built-in Recorder Interface Module (RIM) that
supports connections to agent recording equipment.
The Avaya Callmaster IV can be used in home office environments with a DEFINITY
®
Extender.
The Avaya Callmaster IV has the following characteristics:
● Six rubber-domed administrable call appearance or flexible feature buttons
● 15 rubber-domed administrable flexible feature buttons