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Usability
Built-in headset jack
Call coverage keys
Caller ID logging
Contrast control
Last number redial list (10)
One touch feature operation
Tilt display
Flexibility
Adjustable height telephone
Flexible numbering plan
Universal card slots
Virtual extension keys
Serviceability
On-line programming
Remote programming
Self diagnostics
Single pair wiring
Versatility
Analog trunks and stations
Colored face mats
Digital trunks and stations
DID trunks
E&M trunks
IP trunks and stations
i-Series telephone support
T1/PRI trunks
TAPI compatible
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Scalability
Application processors
IP keysets
IP trunks
Software upgrades
Universal line/station card slots
Manageability
Account codes, forced & verifiable
Automatic call distribution
Automatic route selection
Built-in mini gatekeeper
IP networking
Networking
Toll restriction
User programming
Walking class of service
Web-based programming
Adaptability
In-switch Aspire Mail Cards
Media Gateway
Switching Hub
In-server Card
Wall, floor, 19 rack mountable cabinet
TDM and/or IP
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