4. PBX Systems
4.4. Mitel Superswitch PBXs Mitel PBXs use digital signaling to control its station sets and digitized voice.
Digital Network Interface Circuit (DNIC) Line Cards provide an interface
between the station sets and the switch. The Dialogic® PBX Integration Board
has four or eight channels that can be connected to a Mitel DNIC Line Card.
The PBX Integration Board can be used with the SX-50, SX-200, and SX-
2000 PBXs. These Mitel PBXs have many standard features that are supported
by the PBX Integration Board, such as:
• direct inward dialing (DID)
• speed dialing
• hunt groups
• message waiting indication
• user programmable Feature Keys
• called/calling number identification
• call forwarding
4.4.1. Mitel Superswitch Programming Requirements
The phones that are supported by Dialogic® PBX Integration Boards are the
Mitel Superset M430 and Mitel Superset M420 phones. PBXs that can be used
with these phones are shown in Table 14.
Table 14. Phone and PBX Interoperability
SX-50 SX-200 SX-2000
Mitel Superset 430 No Yes, preferred Yes, preferred
Mitel Superset 420 Yes Yes, but not
preferred Yes, but not
preferred
NOTES: 1. Mitel Superset 430 phone emulation can be used with SX-200
and SX-2000 PBXs.
2. Mitel Superset 420 phone emulation can be used with SX-50
only.
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