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Chapter 2: Directory Number (DN)
MBX IP Description / Operations & Programming Guide
Branch Line
When a station is using a MADN-type DN, other stations cannot access the same DN.
However, if a branch line option is set to the DN, another Station can access the busy DN
interrupting its call and establishing a conference call for all users.
Incoming Ring Option
When multiple stations have the same DN button, each station can have a different ring
delay option.
• Immediate Ring: Ring signal is sent to station with no delay.
• Delayed Ring: Ring signal is sent to station after the programmed delay.
• No ring: Ring signal is not sent to station, but only LED flashes.
When the DN receives an incoming call, the DN button LED will flash Red regardless of
the ring delay option. However, the LCD of a station modified to display the incoming call
after it receives a ring signal can be automatically answered just by going off-hook.
However, before the station receives a ring signal, the incoming DN call cannot be
answered automatically by going off-hook, but the station user should press the flashing
DN button manually.
Access Option
When a station has multiple DN buttons, each DN button can have a different access
option.
• All Call: No restriction.
• Dial After Seizure: No restriction about incoming ringing, but when making outgoing
calls with this button, user should seize the DN by pressing this button even if this
button is assigned to prime number button.
• Incoming Only: Outgoing call is not possible with this button.
When there is incoming call to a DN, the DN button LED will flash in red color regardless
of the ring delay option. However, the LCD of station is changed to display the incoming
call after it receives ring signal and the call can be answered automatically just by going
off-hook. However, before the station receives ring signal, the incoming DN call cannot be
answered automatically by going off-hook, but the station user should press the flashing
DN button manually.
Release 1.0
November 2010