Aastra M720 Installation Manual page 183

8.9.4.1 Updating the phone firmware
• Back up the IPS card firmware on a directory on the PC.
• Copy the new firmware to the \tftpboot directory of the remote site.
Respect the firmware filenames:
• 9112i.st
• 9133i.st
• 480i.st
8.9.4.2 Modifying SIP phone configuration files
• Copy the configuration files from the remote site to a PC directory.
• Modify the configuration files locally.
• Copy the modified files to the tftpboot directory of the remote site.
• Restart the SIP phones (by cutting the power supply, or via the WEB interface).
Installation Manual for digital sets - IP sets - SIP sets
SIP PHONEs 480i, 9112i and 9133i 05/2008
AMT/PTD/TR/0001/3/7/EN
Page 8-33