Aastra Telecom 57I C53I User Guide

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Firmware Installation Information
41-001160-00, Rev 01  Release 2.0
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Overview
Overview
Installation Requirements
The following are general requirements for setting up and using your SIP IP 
phone:
A SIP-based IP PBX system or network installed and running with a number 
created for the new IP phone.
Adherence to SIP standard RFC 3261.
Access to a configuration server where you can store the firmware image and 
configuration files.
The IP phone must be configured for a specific type of protocol to use. TFTP 
is enabled by default. You can configure the following protocols on the IP 
phone:
— TFTP (Trivial File Transfer Protocol)
— FTP (File Transfer Protocol)
— HTTP (Hypertext Transfer Protocol)
— HTTPS (Hypertext Transfer Protocol over Secure Socket Layer)
A 802.3af Ethernet/Fast Ethernet LAN
Category 5/5e straight through cabling
Power over Ethernet (PoE) inline power injector (optional accessory – 
necessary only if your network provides no inline power and if you do not use 
the IP Phone’s power adapter).
Power adapter (included for models 53i, 55i, and 57i, and 57i CT).
Service provider must support 55i SIP IP phone.
Note: 
If you set TFTP, the configuration server must be able to accept 
connections anonymously.