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Backup/Restore automatically saves Speed Dial button labels, and options/parameter settings, including local Feature button labels. For the 4625SW IP Telephone, backup also stores the background color of the Phone, Speed Dial, Call Log, and Options applications.
When the Automatic Backup option on a 4610SW, 4620/4620SW, 4621SW, 4622SW, or 4625SW IP Telephone is set to Yes and FTPSRVR is specified, the FTPSTOR command attempts to save all Speed Dial contents, all system options, and non-password parameters to the FTP server specified by FTPSRVR.
For H.323 telephones, data is saved in a text file called ext_4610data.txt or ext_4620data.txt, as appropriate to the telephone type, where ext stands for the telephone extension. For SIP telephones, data is saved in a text file called ext_4610data_sip.txt or ext_4620data_sip.txt, as appropriate to the telephone type. The 4621SW, 4622SW, and 4625SW all use “4620” as the telephone type for purposes of the Backup/Restore filename, to allow seamless upgrades from 4620s if applicable.
The system administrator can optionally set the backup option and specify FTPSRVR through network administration. A telephone user can also specify these values, as covered in Chapter 6 of the appropriate User Guide for the telephone type. Automatic backup occurs whenever the user executes a Save command on a Speed Dial or Options/Parameter screen.
NOTE: Users can specify alternate servers and directories, for example, their own PCs, for backups and retrievals.
The 4610SW/4620/4620SW/4621SW/4622SW/4625SW backup/restore file can contain ASCII, Extended ASCII, and non-ASCII characters. However, if the file contains non-ASCII characters, specifically Cyrillic, Hebrew, Katakana, Han, or Hiragana characters, the file must be stored in UTF-8 form. The 4610SW/4620/4620SW/4621SW/4622SW/4625SW creates a file in this form automatically. But if you opt to create a backup/restore file yourself or edit this file, you must do both of the following:
1. Insert a blank line at the beginning of the file, and
2. Save the file in UTF-8 format.
These precautions ensure that regardless of how your editor stores the data file, the telephone can read the contents. If you fail to insert the blank line, the first line of data might be ignored. The 4620 does not support displays of Cyrillic, Hebrew, Han, or Hiragana characters. Even the 4610SW/4620SW/4621SW/4622SW/4625SW cannot support all Han or Hiragana characters. If you insert a character that the 4610SW/4620SW/4621SW/4622SW4625SW does not support, the display shows that character as a rectangle.
In addition to Speed Dial labels and associated telephone numbers, the following options, settings and non-password parameters are saved during a backup:
NOTE: When the Options Status Flag, OPSTAT, is set to 0 or 000, retrieving backed up data has no effect. This prevents a user from bypassing the administration of OPSTAT and changing options settings in the backup file. Table 12 includes OPSTAT values.
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