欧亚国际

Home > Support > Help desk > Text

Q: what is “BLF”?

Time:2015-04-15Hits:1587

A:  It is used to indicate the line status.You can know other device’s status by programmable keys or Extension units set mode to BLF.It will light greenwhen it free, light red when it on the line, flashingred light when it ringing.

欧亚国际