Lucent Technologies 8.2 User Manual

Issue 1

April 2000

Phone reference 

1072

6400-series telephones 

The 6408 is a multi-appearance digital telephone with eight call 
appearance/feature buttons. 

The 6408 telephone is available in the following four models:

■

6408 telephone—includes a 1-way, listen-only speaker, and no display

■

6408+ telephone—includes a 2-way speakerphone, and no display

■

6408D telephone—includes a 1-way, listen-only speaker, and a 2-line by 
24-character display

■

6408D+ telephone—includes a 2-way speakerphone, and a 2-line by 
24-character display.

With the 6408D and 6408D+ telephones, the end-user can access 12 features with 
the softkeys and display control buttons. These 12 features can be used in addition 
to the features you assign to the call appearance/feature buttons.

The 6408, 6408+, 6408D, and 6408D+ telephones can work only in 2-wire 
environments.

The 6416D+ telephone is a multi-appearance digital telephone with 16 call 
appearance/feature buttons. 

With the 6416D+ telephone the end-user can access 12 features with the softkeys 
and display control buttons. These 12 features can be used in addition to the 
features you assign to the call appearance/feature buttons.

You can connect an XM24 expansion module to the 6416D+ telephone to 
expand the number of buttons you can assign. However, when the expansion 
module is connected, you must connect an auxiliary power supply to the 
telephone.

The 6424D+ telephone is a multi-appearance digital telephone with 24 call 
appearance/feature buttons. With the 6424D+ telephone the end-user can access 
12 features with the softkeys and display control buttons. These 12 features can be 
used in addition to the features you assign to the call appearance/feature buttons.

The 6424D+ telephone can work in both 4-wire and 2-wire environments.