Lucent Technologies Definity Enterprise Communication Server 8.2 User Manual

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DEFINITY ECS Release 8.2
Administrator’s Guide  
555-233-506  
Issue 1
April 2000
Phone reference 
1101
ISDN telephones (7500s & 8500s) 
19
8503D ISDN-BRI telephones
The 8503T telephone offers: four standard fixed feature buttons, a Message light, 
three call appearance/flexible feature buttons, each with a red and green light, 12 
programmable memory-dialing locations on the dial pad keys, a PROGRAM 
button for storing numbers at the memory-dialing locations and a MEMORY 
button for dialing these programmed numbers or codes, the Redial feature, the 
Mute feature.
8510T ISDN-BRI telephone
The 8510T voice/data telephone offers: 10 call appearance/feature buttons, each 
with a red and green status light, buttons for the Mute, Redial, Conference, Drop, 
Transfer, and Hold features (the MUTE, SPEAKER, CONF, and TRANSFER 
buttons have a red light next to them), a Speakerphone, a Volume control, and an 
Adjunct jack. You can administer the softkey buttons. Four softkeys and display 
control buttons below the a 2-line by 24-character display can be used to access 
such features as a personal Directory, a Call Log, the Self-Test feature, and a 
personalized ringing pattern for the telephone.
8520T ISDN-BRI telephones
The 8520T voice/data telephone offers the following: 20 call appearance/feature 
buttons, each with a red and green status light, buttons for the Mute, Redial, 
Conference, Drop, Transfer, and Hold features (the MUTE, SPEAKER, CONF, 
and TRANSFER buttons have a red light next to them), a Speakerphone, a Volume 
control, and an Adjunct jack. Ten softkeys and four display control buttons located 
on either side of the 7-line by 24-character display can be used to access such 
features as a personal Directory, a Call Log, the Self-Test feature, and a 
personalized ringing pattern for the telephone.