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Model 57i CT IP Phone User Guide 3
Introduction
Requirements
The 57i CT IP Phone requires the following environment:
• SIP-based IP PBX system or network installed and running with a SIP
account created for the 57i CT phone.
• Access to a Trivial File Transfer Protocol (TFTP), File Transfer Protocol
(FTP), Hypertext Transfer Protocol (HTTP) server, or Hyper Text Transfer
Protocol over Secure Sockets Layer (SSL) (HTTPS).
• Ethernet/Fast Ethernet LAN (10/100 Mb)
•Category 5/5e straight through cabling
• Power source
For Ethernet networks that supply in-line power to the
phone (IEEE 802.3af):
- For power, use the Ethernet cable (supplied) to connect from thephone
directly to the network for power. (No 48v AC power adapter required.)
For Ethernet networks that DO NOT supply power to the phone:
- For power, use the 48V AC Power Adapter (included) to connect from the
DC power port on the phone to a power source.
or
- (optional) - For power, use a Power over Ethernet (PoE) power injector or a
PoE switch. A PoE power injector is available as an optional accessory
from Aastra Telecom. Contact your Administrator for more information.
Installation and Setup
If your System Administrator has not already setup your 57i CT phone, please refer
to the Aastra 57i CT Installation Guide for basic installation and physical setup
information. For more advanced administration and configuration information,
System Administrators should refer to the Aastra SIP 53i, 55i, 57i, 57i CT IP Phone
Administrators Guide.