i2021 ISDN Telelset
INTRODUCTION
ISDN i2021 S/T Telesets
Thank you for purchasing the i2021 voice only Integrated Services Digital Network (ISDN) Teleset. This Teleset meets the highest standards of quality to give you years of excellent service. The i2021 works with your local service provider to give you advanced,
About This Manual
This manual contains the following information about your new ISDN Teleset:
nFeatures
nInstallation
nSetup
nVoice User Operations
nTroubleshooting
i2021 S/T TELESET
This Teleset connects to an ISDN Basic Rate S/T interface, which may require an external NT1 (Network Terminator). Your local telephone equipment provider may furnish this device.
FEATURES
The i2021 Teleset offers an extensive list of features. They include the following:
nCROSS-COMPATIBILITY
The Telesets work with several different switches: the Lucent Technologies 5ESS® (National ISDN), the Nortel
ISDN), the Siemens EWSD® (National ISDN), and the AG Communication Systems
nPROGRAMMABLE FEATURES AND OPTIONS
An extensive array of options/features may be provisioned via menus.
nPROGRAMMABLE HARDKEYS
These keys are used for Call Appearances, access to Speed Dialing lists, and Dial Access Codes. The i2021 has 16 programmable hardkeys.
nFIRMWARE UPGRADES
Your Teleset can always have the latest software features. The i2021 Teleset uses flash memory to download the current firmware. This is done through the SIM connector, via a local server.
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