NEC UNIVERGE SV8100 Features & Specifications Manual page 856

Issue 5.0
Function keys (code 39).
Room Monitor for single line telephones can be used with the Hotel/Motel feature.
For a multiline terminal, Room Monitor requires uniquely programmed function keys.
Default Setting
Disabled
System Availability
Terminals
Multiline Terminals and Single Line Telephones
Required Component(s)
None
Related Features
Hotel/Motel
Programmable Function Keys
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UNIVERGE SV8100
Room Monitor