Yamaha RM-CR Reference Manual page 48

[Contacts]
1
2
1 [EXPORT CONTACTS]
Allows you to export the SIP call contact information stored on this unit, by clicking the [EXPORT] button.
2 [IMPORT CONTACTS]
Allows you to import SIP call contacts into this unit by dragging and dropping the contact file into the box, then clicking the [IMPORT]
button.
Create the contact file to be imported by editing the one exported in 1.
NOTE:
RM-CR Reference Manual
47