Nortel Remote Office 9150 Installation And Administration Manual page 100

Planning for installation
Outgoing calls are routed according to the call appearance key used to
initiate the call. Calls initiated on the key defined as the primary or host call
appearance key are routed through the host PBX. Calls initiated on the key
defined as the local call appearance key are routed through the local PSTN,
if a trunk access code was dialed before the telephone number.
When a station is configured with local control capability, further configuration
of the station is required to
n
enable or disable certain features
n
disable outgoing calls or single-digit dialing, if required
n
define key placement on the telephone
User extension configuration
Each station is assigned a local directory number (DN). The Remote Office 9150
unit uses the DN to route the incoming call to the correct station.
Stations that are configured with host-controlled call capability are associated
with a port number on the RLC. The RLC and the Remote Office 9150 unit use
this port number to establish the communication path between the host PBX and
the station.
Placement of local call appearance and feature keys
When determining the placement of the local call appearance key on a station,
ensure that the key position is not already configured for a specific feature on the
host PBX. If you configure a PBX-configured feature key as a local call
appearance key, the user cannot use that feature.
If the station is configured with local control capability, you can also configure
the placement of other keys, such as Transfer, Call Waiting, and Make Set Busy.
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Standard 2.0
Remote Office 9150