NEC 28i System Manual page 18

Message Waiting
Setting Up Message Waiting (cont'd)
For your reference . . .
Program 0406, COS Options, Item 15: Message Waiting
Use this option to enable (1) or disable (0) an extension's ability
to leave a Message Waiting. Normally, only the supervisor's sta-
tion would have this option enabled.
Program 1005 - Class of Service
Assign Class of Service to extensions.
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