i
2021 ISDN Telelset
1
INTRODUCTION
ISDN
i
2021 S/T Telesets
Thank you for purchasing the
i
2021 voice only Integrated Services Digital
Network (ISDN) Teleset. This Teleset meets the highest standards of
quality to give you years of excellent service. The
i
2021 works with your
local service provider to give you advanced, easy-to-use features. It is
compliant with National ISDN 1,2 and 3 standards.
About This Manual
This manual contains the following information about your new ISDN
Teleset:
n
Features
n
Installation
n
Setup
n
Voice User Operations
n
Troubleshooting
i
2021 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
i
2021 Teleset offers an extensive list of features. They include the
following:
n
CROSS-COMPATIBILITY
The Telesets work with several different switches: the Lucent
Technologies 5ESS
®
(National ISDN), the Nortel DMS-100
®
(National
ISDN), the Siemens EWSD
®
(National ISDN), and the AG
Communication Systems GTD-5
®
.
n
PROGRAMMABLE FEATURES AND OPTIONS
An extensive array of options/features may be provisioned via menus.
n
PROGRAMMABLE HARDKEYS
These keys are used for Call Appearances, access to Speed Dialing
lists, and Dial Access Codes. The
i
2021 has 16 programmable
hardkeys.
n
FIRMWARE UPGRADES
Your Teleset can always have the latest software features. The
i
2021
Teleset uses flash memory to download the current firmware. This is
done through the SIM connector, via a local server.
Summary of Contents for i2021 Series
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