UTStarcom FSU811 User Manual page 37

FSU811 User Guide
2, Pick up the Busy tone is heard from the extension,
extension. while the off-the-hook dial tone can still
be heard from FSU811 phone.
3, Hang up the The off-the-hook dial tone can still be
extension. heard from FSU811 phone.
4, Hang up FSU811 phone returns back to the
FSU811 standby mode.
phone.
Use of RJJ Extension 5-3