Technical data

Call Handling 43
SBX IP 320 Features & Operation Guide
Operation
[P-MSG DND] is set to OFF:
1. Station receives ring for incoming call.
2. Caller hears ring-back tone.
[P-MSG DND] is set to ON (default):
1. Station does not receive ring for the incoming call.
2. Caller hears a busy tone.
Conditions
• This feature cannot be used when the CO direct Ring Assign feature to station is set
(PGM 144).
Admin Programming
P-MSG DND (PGM 113 - FLEX 16)