Aastra 9143i Series Administrator's Manual page 67

The following table provides the files that the phone requests from the
configuration server during bootup of the phone:
IP Phone Model Associated Firmware
9143i 9143i.st
9480i 9480i.st
9480i CT 9480iCT.st
6751i 51i.st
6753i 53i.st
6755i 55i.st
6757i 57i.st
6757i CT 57iCT.st
The IP Phone firmware file includes all the necessary files you need for your
phone, including the language files. Loading the language files to your phone(s) is
optional.
Reference
For more information about loading language files and using the various
languages on the IP phone, see Chapter 5, the section,
41-001160-03, Rev 00, Releaes 2.4
Firmware and Configuration Files
Configuration Files
aastra.cfg
<MAC>.cfg
(for example, 00085D1610DE.cfg)
lang_de.txt (German)
lang_es.txt (Spanish)
lang_es_mx.txt (Mexican Spanish)
lang_fr.txt (French)
lang_fr_ca.txt (Canadian French)
lang_it.txt (Italian)
Language Files
"Language" on
Overview
page 5-34.
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