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i2021 ISDN Teleset
key is the default or primary key. This key must remain a Call Appearance key. All of the other 15 keys are programmable.
It is important to check with your system administrator to see how your Teleset is provisioned at the switch. You will have at least one Directory Number (DN) and at least one, or more, Call Appearances (CA). Both the Directory Numbers and the Call Appearances must mirror the provisioning at the switch.
To configure the DN/CA:
1.Press MENU, MORE, MORE, Config, MORE, MORE, DN/CA. The following is displayed:
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