Grandstream Networks GXV3350 Administration Manual page 68

Import
Uploads the contact file from PC to the phone.
Local File
Export
Specifies the encoding format for phonebook file exporting. The default setting is UTF-8.
It can be selected from the dropdown list:
UTF-8
GBK
UTF-16
UTF-32
File
Encoding Big5
Big5-HKSCS
Shift-JIS
ISO8859-1
ISO8859-15
Windows-1251
EUC-KR
Sets the type format for phonebook file importing.
It can be selected from the dropdown list.
File Type
XML
VCard
The default setting is "XML".
Export Downloads the phonebook file from the phone to PC.
Download
Contacts
Sets the phone system to delete the previous contacts when a new contact file is downloaded.
Clear The
If "Yes", the previous contacts will be removed.
Old List
The default setting is "No".
If set to "Clear all", the phone will delete all previous records before downloading the new records.
Clear Old
History
If set to "Keep Local Contacts", the new-added local new contacts will not be deleted when
Mode
downloading new records.
Replace Keeps the original contact entries when duplicated contact entries are included in the contact file. If set to
Duplicate "Yes", the phone will replace the original entries to the new one. Otherwise, the phone system will save both
Items contact entries. The default setting is "Yes".
If set to "Replace by name", replace the records of the same name automatically when importing new
Replace
records.
Duplicate
Entries
If set to "Replace by number", replace the records of the same number automatically when importing
Mode
new records.