Digital (ISDN) Telephone Set Diagrams
ISDN 7506 and 7507 digital telephone sets are labeled on the lower right corner of the telephone face plate, along with either an AT&T or Lucent logo
7506
7507
The 7507 model is larger than the 7506, with more buttons; otherwise, their functions and use are identical.
Telephone Support Resources
Telephone Support and Repairs
(Traditional and MITvoip phones)
Email: telephone-help@mit.edu
Phone: 617.253.4357
Traditional Phone Moves/Changes
(For use by AOs/DLC administrators)
Email: telephone-help@mit.edu
Phone: 617.253.3670
