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General Features
150 Features Guide
Conditions
This feature must be enabled by System Programming for the desired UCD Group(s).
In addition, each extension must enable regular Call Waiting feature <Section "4.3.17 Call
Waiting" in the User Manual>.
UCD-OGM
To utilize OGM messages for UCD callers, assign "OGM Type" to "UCD-OGM" by
System Programming <Section 3.6 OGM Group, "OGM Type" in the Programming
Guide>.
Music on Hold or Ringback Tone
It is determined by System Programming <Section 2.8 System Option, "1. Sound source
during transfer" in the Programming Guide> whether to send a ringback tone or Music on
Hold to the caller.