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4 audible signals, Dial tone, Ring back tone – AASTRA DT692 Cordless for MXONE Quick Reference Guide EN User Manual

Page 125: Call on hold or call camp-on tone, Busy tone, Call waiting presentation tone, Intrusion or call offer tone, Service acceptance tone, Appointment reminder notification

4 audible signals, Dial tone, Ring back tone | Call on hold or call camp-on tone, Busy tone, Call waiting presentation tone, Intrusion or call offer tone, Service acceptance tone, Appointment reminder notification | AASTRA DT692 Cordless for MXONE Quick Reference Guide EN User Manual | Page 125 / 142 4 audible signals, Dial tone, Ring back tone | Call on hold or call camp-on tone, Busy tone, Call waiting presentation tone, Intrusion or call offer tone, Service acceptance tone, Appointment reminder notification | AASTRA DT692 Cordless for MXONE Quick Reference Guide EN User Manual | Page 125 / 142