Nortel DMS-100 Series Reference Manual page 404

4-154 Datafilling ISDN on RSC-S UK / Europe
ISDN operations
Limits
The ISDN operations does not have limits.
Interactions
Requirements for the implementation of ISDN enhanced D-channel features
are:
Activation/deactivation by the end user
The ISDN operations do not require activation or deactivation by the end
user.
Billing
The ISDN operations does not affect billing.
Station Message Detail Recording
The ISDN operations does not affect Station Message Detail Recording.
297-8331-815 Standard 10.01 August 1999
(continued)
the RCO2 must have the NTMX77 unified processor (UP) card
the RCO2 must have an enhanced ISDN signal processor card
(NTBX01BA)
the RCO2 must have an enhanced D-channel card (NTBX02BA)
the table DCHINV tuple DECPEC must have NTBX02BA card
information entered
Note: The system does not allow changes to the DCHPEC code with an
attached ISDN service group. The DCH must become a spare DCH
before the tuple change.