Datasheet

3300 CONTROLLERS 7
Glossary
ACD Automatic Call Distribution
ASU Analog Services Unit
BRI Basic Rate Interface
BTU British Thermal Unit
CAS Channel Associated Signaling
CCS Common Channel Signaling
CIM Copper Interface Module
CLASS Custom Local Access
Signaling Services
DASSII Digital Access Signaling System #2
DID / DDI Direct Inward Dial / Direct Dial In
DNI Digital Network Interface
DPNSS Digital Private Network
Signaling System
DSP Digital Signal Processor
DTMF Dual Tone Multi-Frequency
FIM Fiber Interface Module
IP Internet Protocol
ISDN Integrated Services Digital Network
LS Loop Start Trunk
MMC MITEL Mezzanine Card
MOH Music on Hold
MSDN Mitel Superswitch Digital Network
NFAS Non-Facilities Associated Signaling
NSU Network Services Unit
OPS Off Premises, long loop analog
PBX ports
PRI Primary Rate Interface, ISDN
QSIG Q-Signaling Protocol
RSTP Rapid Spanning Tree Protocol
SIP Session Initiation Protocol
STP Spanning Tree Protocol
T38 ITU protocol to send FAX transmission
across IP Networks
VM Voice Mail
XNET Switched Networking
Trunking Gateway A 3300 Controller used specifically
to land PSTN trunks and route them
onto a User Gateway
User Gateway A 3300 Controller / Server used
specifically to manage and control
Telephones. External traffic is routed
via a Trunking Gateway
3300 Controller Mitel’s telephony platform that runs
Mitel Communications Director (MCD)
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