default programming

The default programming data shown in Table 2-3 applies even if the option units (GCDU2/ GSTU1/GVPH1) are not mounted. This enables voice mail to be used as is if the GVPH1 is inserted.
• When GCDU2 is unmounted, CO4-6 or CO4 to CO7 and DKTs 9-16 are “make-busy” and cannot be used.
• When the GCOCIH is not installed CO4 to CO7 or CO4 to CO8 are “make busy.”
• When GSTU1 is not installed, SLT2 is not “make busy.”
• When GVPH1 is not installed, VM ports 1-4