ISDN 7507 Display Terminal

ISDN 8503T VOICE TERMINAL

VOLUME

CONTROL

REDIAL BUTTON

BUTTONHANDSET

MEMORY

BUTTON

MUTE

BUTTON

PROGRAM

BUTTON

CONF/

RING

BUTTONDESIGNATION CARD

TRANSFER/

PAUSE

BUTTON

HOLD

 

3 CALL APPEARANCE/

 

FEATURE BUTTONS

BUTTON

MESSAGE

 

LIGHT

ADJUNCT JACK

DROP/

 

 

(ON BACK OF

TEST

DESK

VOICE TERMINAL)

BUTTON

 

STAND

 

DIAL PAD/

 

 

 

MEMORY-DIALING

 

 

LOCATIONS

 

 

FIGURE 3-18. The Desk-mounted ISDN 8503T Voice Terminal

3-403

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AT&T System 85 manual Isdn 8503T Voice Terminal