Specifications

XMU+ Installation and Maintenance Guide rev.07 71
About XMU+ Operating Modes
Ring Start/Busy Disconnect (RB)
Will disconnect on two cycles of busy tone. (RB+ will disconnect after four cycles of
busy tone.)
Ring Start/Quick Answer (RQ)
Line is answered 1/10 second after first ring cycle.
Ring Immediate (RI)
Only available with T1, line is answered after 1/4 second.