Aastra Telecom SIP 57I - Manual (Page 233)

Operational Features
41-001160-00, Release 2.1, Rev 04 5-23
Configuring Operational Features
Operational IP Phone Features Loading Language Packs via the Aastra Web UI
Using the Aastra Web UI, you can specify a language pack to load using the
parameters at Basic Settings->Preferences->Language Settings.
You use the following fields in the Aastra Web UI to specify which language
packs to load:
Once the language pack is loaded to the phone, it is available for selection from
either the configuration files, the IP Phone UI or the Aastra Web UI.