NEC DS1000 Product Description page 129

Monitor / Silent Monitor
Multiple Directory
Numbers
Music On Hold
Names for Extensions
and Trunks
Night Service / Night Ring
Off-Hook Signaling
Off-Premise Extensions
On-Premise Extensions
DS1000/2000 Product Description
Allows an extension user to listen to the conversation being held on
another extension without providing any indication of the intrusion.
Monitor / Silent Monitor on page 62.
Reference:
See Call Coverage Keys on page 113 in this glossary.
Provides music from a customer-provided music source to callers on
Hold, parked callers and transferred callers.
Music On Hold on page 63.
Reference:
System extensions and trunks can have names programmed into system
memory to help identify them. These names are visible to display keyset
users during call processing.
Reference: Names for Extensions and Trunks on page 63.
Redirects outside (trunk) calls to their night mode destination. Any
extension user with a uniquely programmed Night key can active Night
Service by pressing that key. There are two types of Night Service:
Assigned Night Answer and Universal Night Answer. Assigned Night
Answer rings extensions directly at night. Universal Night Answer
allows a user to dial a code to pick up a call ringing at night.
Night Service / Night Ring on page 64.
Reference:
Indicates to an extension user busy on a call that another caller is trying
to get through. Off-Hook Signaling can be muted off-hook ringing or
Camp-On tone, depending on system programming and the type of call.
Off-Hook Signaling on page 65.
Reference:
Single line telephones can be installed as either On- or Off-Premise
Extensions, depending on the type of system and additional equipment
installed.
Reference: Off-Premise Extensions / On-Premise SLT Extensions on
page 66.
Glossary
Section 5: Glossary
5
121