Aastra Telecom 57I User Manual

Firmware Installation Information

41-001160-00, Release 2.1, Rev 04

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Overview

The following are general requirements for setting up and using your SIP IP 
phone:

•

SIP-based IP PBX system or network installed and running with a SIP 
account created for the 53i IP phone.

•

Access to a Trivial File Transfer Protocol (TFTP), File Transfer Protocol 
(FTP), Hypertext Transfer Protocol (HTTP) server, or HyperText 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 the 

phone 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.