System Setting (When IVCS Units Is Replaced)

When the IVCS unit is replaced, carry out the following data settings
- Phone setup - Data setting regarding NAM (Number Assignment Module)
- Phone number - Phone number setting

NOTE:
- Data must not be updated without prior approval from the customer.
- NAM and phone number can be programed by using handset. For details, refer to the handset operation manual.
- The IVCS unit does not permit updating of NAM more than 15 times.