Aastra Telecom SISIP 57I CT - Manual (Page 23)

Firmware and Configuration Files
41-001160-00, Rev 01 Release 2.0 1-7
Overview
Overview Firmware and Configuration Files
Description
When the IP phone is initialized for the first time, DHCP is enabled by default.
Depending on the type of configuration server setup you may have, the IP phone
may download a firmware version and configuration files automatically, or you
may need to download it manually.
The firmware consists of a single file called:
• .st
The configuration files consist of two files called:
• aastra.cfg
• .cfg
The following table provides the firmware for each Aastra IP phone model.
Note: Automatic download is dependant on your configuration server
setup.
IP Phone
Model Associated
Firmware
53i 53i.st2
55i 55i.st2
57i 57i.st2
57i CT 57i Cordless.st2