Avaya Phone System Business Phone Systems

800-593-7955

AT&T Merlin 820 Plus Control (6122-CU1) (December 1986)
Initial configuration is 0 lines x 0 stations. Maximum system capacity 8 incoming lines x 20 stations. There are 4 slots available for expansion cards. Requires Memory Module 1.0 or Memory Module 2.0 software to work.
Voicemail Capabilities:
Voysys/classic mail 2 port/4 port (discontinued)
Hardware Compatibilities:
Modules:
4 line expansion module 10 station expansion module
Option modules:
General purpose adapter Basic telephone modem interface Data collector Supplemental alert adapter Off premises module 502A headset adapter 502C headset adapter S102A speaker box S202A speaker box
Telephone sets:
5 button 10 button BIS-22 34 button standard 34 button deluxe 34 button SP 34 button SP display HFAI-10 Transtalk-9000/MDW-9000 cordless	BIS-10 BIS-22 BIS-22 display BIS-34 BIS-34 display Merlin personal fax copier Merlin MLC-5 cordless